机不可失

Explanation: Local opportunities; when the timing: the timing can not let go, lost income. 　　Usage: The main predicate; as object; often used in conjunction with the time like the present 　　Source: Five security re-Wing "on the Shi Jingtang Table" notes now or never. " 　　Examples: ~, This is the time to revitalize the revolutionary forces. ★ Geng be members of "Sun Yat-sen and Soong Ching Ling" fifth 　　Results: Soon the ship _set_ sail to catch the wind 　　Postscript: Soon the ship _set_ sail to catch the wind 　　Riddle: Aviation Safety Insurance Thesaurus:  speed is precious in war, a speedy fight dispatch, seize a chance, Have no choice but Or ease, By iron is hot, avail oneself of Hydration mud, 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