vt.

1. 使弯曲，使成钩形
   crook one's arm

   弯起胳膊

2. 【美】【俚】偷窃；欺骗

vi.

1. 弯曲，成钩形

n.[C]

1. 弯曲的东西；钩
2. （牧羊人或主教的）曲柄杖
3. （道路等的）弯曲；弯曲部分
   He carried the package in the crook of his arm.

   他臂弯里挎着一个包裹。

4. 【口】骗子；小偷；坏蛋

n.

1. a shepherd's hooked staff.
   ▸a bishop's crozier.
2. a bend, especially at the elbow in a person's arm.
3. informal a person who is dishonest or a criminal.

v.

adj.