杜渐防微

Explanation: DU: block; gradually: refers to the beginning of things; Micro: small. Error or a bad thing to just take hold in time to stop, do not let it. 　　Usage: Joint type; as predicate; gradually with the anti-Meng Du 　　Source: Jin Ge Hong's "Baopuzi the Book": "past the reach of people, becoming anti-Du Wei, color Adams dies, the night not wait for Dan." 　　Examples: ~ The responsibility of their homes who Kanren of my generation! (I have heard more than one "to Liang, WU Jing Chao, Di Yifu, Gu Yuxiu, Mr. Zhu Xiong Fuxi") Thesaurus:  nip in blossom, nip (crush,check) the matter in the bud