骨頭軟

Simplified: 骨头软

gǔtouruǎn ㄍㄨˇ ˙ㄊㄡ ㄖㄨㄢˇ

    • weak-willed
    • unable to stand a test

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
soft bones
Meaning
Weak-willed, unable to stand a test or find the courage to face difficulty. Critical.

Sources