get something across means communicate successfully, or make understandable or believe something (e.g. I just couldn't get my message across at the meeting. I tried to get my point across to the public but they just wouldn't listen.)

get along/ on means like each other, or to deal with (e.g. I don't really get along with my company colleagues. I wonder how our team is getting along in the new project with new client?)

get around means have mobility, or walk or go to places, or become known to solve a problem (e.g. I can get around fine in new wheelchair. He's finding it to get around since he has spent most of his time at home. They will get around the problem of space by building an extension.)

get around to something means to do something intentionally (e.g. I don't know when I am going to get around to writing the thanks card.)

get away means escape, leave with difficulty (e.g. I'll get away from work as soon as I can.)
get away with something means to steal something and escape with it, or do something wrong without being caught (e.g. I parked in a no-parking zone, but I got away with it. Thieves got away with my wallet and tickets.)

get back means to return to a place (e.g. We got back from our vacation last week. Give me a call when you get back.)
get something back means receive something you had before (e.g. Tom finally get his money back from his friend.)

get back at someone means retaliate or to get revenge on someone, or to do something to hurt or upset someone after they have hurt (e.g. I'll find a way of getting back at him! Ann was trying to get back at him for humiliating her.)

get back into something means become interested in something again, or find a new interesting thing (e.g. Ann finally got back into her piano. She lost interest for a while, but she is getting back into it.)

get back to someone means reply to them by phone etc. (e.g. I'll get back to you later.) 
get back to something means to start doing or talking about something again (e.g. Anyway, I'd better get back to study.)

get by (in, on, with) something means to manage to live or do a particular thing (e.g. How can I get by with four websites at the same time? How does he get by on such a small salary?)

get off means to leave a place, usually in order to start a journey (e.g. If we can get off now, the train will not be busy.)

get on means progress, or step onto a vehicle, or to have a good relationship (e.g. How are you getting on in your new job? (= How is it going?) The bus was full. We couldn't get on. Jon and Bob don't get on after they don't live together.) get on with something means continue doing something, especially with more effort or more quickly than before. (e.g. I must get on with my work. I have a lot to do)

get out means to leave the house, etc. (e.g. I'll get out when you stop at the traffic lights.) 
get out of something means to avoid a responsibility or duty. (e.g. I can't get out of it now because I promised.)

get over something means overcome a problem, or recover from an illness, loss difficulty (e.g. Ann was only just getting over the flu and now her son has it.)
get something over (or across) means communicate, make understandable (e.g. I tried to get my point over to the public but they wouldn't listen.)
get over with means must do rather than delaying it any more (e.g. I got home works over with rather than just worrying about it any longer.)

get together means meet socially or to start a romantic relationship (e.g. Let's get together for a BBQ this weekend. Tom got together with Sue several years ago.)

get up means get out of bed, or stand (e.g. I got up early morning to go my holidays. We should get up and give the elderly people our seat.)

give away means give something for free, or tell a secret, often unintentionally, or ruin a secret (e.g. The library was giving away old DVDs on weekend. My little sister gave the surprise party away so it came as a complete surprise to me.)

give something back means return a borrowed thing (e.g. I have to give these books back to the library by this Friday.)

give in means submit something, or reluctantly stop fighting or arguing (e.g. We have to give in our project by this weekend. Ann didn't want to go to the baseball game, but she finally gave in.)

give in to means to finally agree to something that someone wants after first refusing (e.g. It’s absolutely true, we can not give in to terrorist.)

give out means give to each person, or stop working (e.g. They were giving out leaflets at the department store. At the end of the day, my laptop gives out.)

give up means stop trying or to stop owning and using something (e.g. Don't give up. Keep trying! They were forced to give up their life because they don’t have a proper VISA.)

go after means follow somebody, chase in order to catch them, or means try to achieve something (e.g. My brother tried to go after the same job with me. I went after my dream and now I am a professional player.)

go against means compete or oppose (e.g. We are going against the government on this issue.)

go ahead means start or proceed (e.g. Please go ahead but finish it before the food gets cold.)

go back means return to a place (e.g. I have to go back home and get my new dress.)

go off means explode or stop working (e.g. A bomb went off in the warehouse because someone was smoking in. The lights went off in several towns because of the last night storm.)

go on means continue or happen (e.g. We can't go on spending money like this. I'm sure we never hear about all that noise? What's going on? (= what's happening?))

go on with/ carry on with means continue doing something (e.g. Don't let me disturb you. Please go on with your work.)

go out means leave home in order to do something for entertainment (e.g. Do you want to go out for a dinner.)

go out with somebody means date, have a relationship with (e.g. Jon has been going out with her for around six months now.)

go up means approach, or to move higher, rise, or increase (e.g. The average cost of a new house has gone up by five percent per year.)

go over means review in a careful or detailed way (e.g. Please go over your answers before you submit your test.)

go over means visit or look something/ somebody (e.g. I haven't seen Tina for a long time. I think I'll go over our notes for an hour or two before the exam.)

go with means have a romantic sexual relationship with, or to be provided or offered together with something (e.g. David goes with Lorna. Does a car go with the school? This white wine goes particularly well with seafood.)

go without means not to have something or to manage to live despite not having something (e.g. When I was young, we went without lunch at the school.)

grow apart means become distance, or stop being friends over time (e.g. As we got older we just grew apart.)

grow back means regrow, grow again (e.g. My roses grew back quickly after you cut them.)

grow into means to grow to fit large clothes (e.g. This bike is too big for her now, but she will grow into I soon.)

grow out of something means get too big for (e.g. Ann needs a new pair of shoes because she has grown out of her old ones.)

grow up means become an adult (e.g. Dul was born in Korea but grew up in England.)