A hump.

驼背。

Lump.

一块；一团。

A thrust with the fist or elbow.

(用拳或肘的)一推。

Instinctive feeling or premonition.

【口】预感。

To bend or round (the back)。

曲背。

To believe on the basis of a hunch.

【俚】预感。

To lunge or bend forward.

向前推进；向前弯。