踏破鐵鞋無覓處 (daap6 po3 tit3 haai4 mou4 mik6 cyu3) — to painstakingly exhaust all one's energy and effort in order to find sth. in Cantonese
daapˍ₆踏po˗₃破tit˗₃鐵haaiˎ₄鞋mouˎ₄無mikˍ₆覓cyu˗₃處简 踏破铁鞋无觅处
Mandarin Pinyin: ta4 po4 tie3 xie2 wu2 mi4 chu4
Meaning of 踏破鐵鞋無覓處
nounto painstakingly exhaust all one's energy and effort in order to find sth.
nounto describe something that is nowhere to be found even after painstakingly exhausting all of one's energy and effort to look for it