養虎傷身 [养－伤－]

Jyutping joeng5 fu2 soeng1 san1
Pinyin yǎng hǔ shāng shēn

Definitions (CC-CEDICT)

Rear a tiger and court disaster. (idiom); fig. if you're too lenient with sb, he will damage you later
to cherish a snake in one's bosom

Definitions (Kaifangcidian)