破隙 [－－]

Jyutping po3 kwik1
Pinyin pò xì

Definitions (Wiktionary)
  1. noun, Min-Nan
    loophole; flaw; weak point
    (syn.) 破绽, 马脚, 破綻, 漏洞, 馬腳
  2. noun, Min-Nan
    crack or gap on a utensil