授人以柄 [－－－－]

Jyutping sau6 jan4 ji5 beng3
Pinyin shòu rén yǐ bǐng

Definitions (CC-CEDICT)
  1. to hand someone the swordhilt (idiom)
  2. to give someone a hold on oneself
Definitions (Wiktionary)
  1. phrase, idiomatic
    to relinquish one's power or authority to someone else