防患未然

Explanation: Risk: disaster; Weiran: No way, that has not yet formed. To prevent accidents or harm to not yet occurred before. 　　Usage: Partial official; as predicate, object, attribute; that advance the prevention 　　Source: "History of the Ming Yu Qian Chuan": "beg the governor of Chile and outside Canada intended to straighten out the garrison, precautionary measure." 　　Examples: All units must strengthen fire prevention measures in order to ~. 　　Riddle: Smoking; fire extinguisher Thesaurus:  be ever prepared, Store is no sore., like a dog threatening other people on the strength of its master’ s power, throw one's weight about, Rainy day, (of parents) to bring up cihldren for the purpose of being looked after in old age, Device 2 is not deficient, make providence, The idea that day, used for one day, Support troops for a thousand days in the moment, count on one's cards, in case (of) contingency, prepared for any eventuality, peradventure, because of the possibility of sth happening, casualness, economise, for caution's sake Antonym Group:   dig a well when thirsty, not dig a well until one thirsty— — not make timely preparations, before battle begins hone, Before battle begins Polish, Surprise, help a joint cause Wish watch, do stb.when people are off guard, Regret of the Mo and, Patients to call heaven, unaware? unprepared, take sb. unawares, The enemy is unprepared, repair a leak in mid-stream, Ji lei Less Their ears, sudden; as sudden as lightening; sudden peal of thunder leaves no time for covering ears