jerk

1. V-T/V-I If you jerk something or someone in a particular direction, or they jerk in a particular direction, they move a short distance very suddenly and quickly. 使…猝然一动; 猝然一动

Mr. Griffin jerked forward in his chair. 格里芬先生在椅子上猛地向前一动。

"This is Brady Coyne," said Sam, jerking his head in my direction. “这是布雷迪·科因”，萨姆说，他的头朝我这边甩了一下。

2. N-COUNT Jerk is also a noun. 猝然一动

He indicated the bedroom with a jerk of his head. 他用头的猝然一动示意了卧室的方向。

3. N-COUNT If you call someone a jerk, you are insulting them because you think they are stupid or you do not like them. 蠢货[非正式，侮辱]

The guy is such a jerk! He only cares about himself. 这家伙真是个蠢货！他只关心他自己。

4. V to preserve (venison, beef, etc) by cutting into thin strips and curing by drying in the sun 晾晒肉干

5. N jerked meat, esp beef (牛)肉干 (Also called jerky)