铁杵磨成针

Explanation: Pestle: Tsuishine or stick used for beating clothes. Ground into a fine needle to an iron bar. Metaphor as long as perseverance, hard, to do anything to be successful. 　　Usage: The main predicate; as object, attribute, clause; with compliment 　　Source: Song Zhu Mu "Fang Yu Sheng Lan Meizhou grinding River": "elephant ears in the foot of the mountain, Shichuan Li Bai reading the mountains, abandoned to the minors, over a river, every old woman grinding Tiechu side, and asked, said: 'To make needle' Bai is also a sense of its meaning, graduate. " Thesaurus:  pinch -nies, persevere, Constant effort yields sure success, Time tries all., Tiechuchengzhen, meticulous job, grind through an inkstone, long years of study, economize to avoid running short, With a strong will power, nothing is impossible, Jemmy Grind in acu-, foreknowledge Antonym Group:  imbroglio, disarray, A collapse blindness, Dubious, be ambiguous and vague; tergiversation, extravagant; be wasteful; spend with a free hand, muck-up, blur, have a beginning but no end, start sth. but fail to carry it through, number of things mixed together without order, bedimming, (to utter, do, etc. something) all of a sudden, abruptly, or inexplicably, one's likes and dislikes caducity, soft in the head, Anticlimax