踩腳後跟 [－脚后－]

Jyutping caai2 goek3 hau6 gan1
Pinyin cǎi jiǎo hòu gēn

Definitions (Wiktionary)
  1. verb
    Used other than figuratively or idiomatically: see 踩 (cǎi), 腳後跟／脚后跟 (jiǎohòugēn): to step on someone's heel