趁水和泥

Explanation: Use of available water, stir the mud. Metaphor took the opportunity to act 　　Usage: Partial official; as the predicate attribute, object; with compliment 　　Source: Yao Xueyin "Rereading," Volume III Chapter 11: "This mother of the goods no earlier no later, to the just. Seize the opportunity, build on the progress, incidentally pick up her friends with it." Thesaurus:  The mill cannot grind with the water that is past., speed is precious in war, a speedy fight dispatch, seize a chance, Have no choice but Or ease, By iron is hot, seize every minute and second, against time, Cut the Gordian knot, Broken mess knife, Now (in the time) or never!, Opportunity knocks but once., Time and tide wait for no man., Time and tide wait for no man Antonym Group:  There is still time to mend, Zhicuojiugai, take measures in time, Gu Dog Your Brother