一個巴掌拍不響

一个巴掌拍不响
gezhǎngpāixiǎng
  1. lit. one palm alone cannot clap (proverb)
  2. fig. it takes two persons to start a dispute
  3. it takes two to tango
  4. it's difficult to achieve anything without support

CEDICT

諺語比喻僅有單方面不出若是發生事情一定雙方過失

重編國語辭典

Homographs

Entry Composition