吃窝边草

Traditional (Taiwan): 吃窩邊草

chīwōbiāncǎo ㄔ ㄨㄛ ㄅㄧㄢ ㄘㄠˇ

    • to harm or exploit one's own people or those nearby

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
eat the grass beside one's own nest
Meaning
To harm or take advantage of one's own people or those nearby. Critical. Compare "don't foul your own nest".

Words with 吃窝边草

Ending with 吃窝边草

Sources