“只要功夫深，铁杵磨成针。”【英】

"Constant grinding turns an iron rod into a needle."

译文来源

http://www.fmprc.gov.cn/mfa_eng/wjdt_665385/zyjh_665391/t1178871.shtml

例句

1. 中国有句谚语：“只要功夫深，铁杵磨成针。”——《努力构建中美新型大国关系——习近平在第六轮中美战略与经济对话和第五轮中美人文交流高层磋商联合开幕式上的致辞》

1. As a Chinese saying goes, "Constant grinding turns an iron rod into a needle." —Quoted from Work Hard to Build a New Model of Major-Country Relationship Between China and the United States—Address at the Joint Opening Ceremony of the Sixth Round of the China-US Strategic and Economic Dialogue and the Fifth Round of the China-US High-level Consultation on People-to-People Exchange