牆頭草 qiáng tóu cǎo

DEFINITIONS

  1. sb who goes whichever way the wind blows
  2. sb with no mind of their own
  3. easily swayed person
  4. opportunist

CHARACTERS

牆 qiáng wall
頭 tóu head; top; chief, first; boss
草 cǎo grass, straw, thatch, herbs