拆牆腳

拆墙脚
chāiqiángjiǎo
  1. (figurative) to cut the ground from under someone's feet; to pull the rug out from under someone's feet
  2. to cut the ground from under someone's feet; to pull the rug out from under someone's feet

Wiktionary

Entry Composition

=1 拆 chāi
  1. to tear open
  2. to tear down
  3. to tear apart
  4. to open
=1 拆 cā
  1. (dialectal) to excrete
  2. to excrete
2 牆腳 qiángjiǎo
  1. (figurative) foundation; backbone
  2. foot of a wall
  3. foundation; backbone
  4. wall base