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Jyutping hap1 dou3 soeng5 sam1 hau2
Pinyin qià dào shàng xīn kǒu

Definitions (粵典–words.hk)
  1. 語句
    欺凌​其他人​至​到​佢​容忍​既極限
    to tyrannize someone to an extent which he/she couldn't tolerate any more
  2. 近義詞
    踩到上心口