Idiom: Against the Clock Posted on 11th December 201810th December 2018 by DoubleClick Against the Clock: do it as fast as possible and try to finish it before a certain time. Example: Always, Korean is racing against the clock, but they finished the work just before the promised day. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Posted in Idiom and tagged idiom A.