低首下心

dīshǒuxiàxīn
to be fawningly submissive (idiom)

CEDICT

屈服顺从。

重編國語辭典

Entry Composition

1 低首 dīshǒu
  1. (literary) to bow one's head
  2. to bow one's head
2 下心 xiàxīn to be diligent; to be attentive; to be careful