只要 zhǐyào HSK2 as long as Origin Definitions Defs Strokes Stroke Words Sentences Sents 只要功夫深，铁杵磨成针 zhǐyàogōngfushēn, tiěchǔmóchéngzhēn perseverance If one puts in enough effort, even the most difficult task can be accomplished; constant effort brings success.