wag

1. V-T When a dog wags its tail, it repeatedly waves its tail from side to side. (狗) 摇摆 (尾巴)

The dog was biting, growling and wagging its tail. 那条狗咬着叫着，还摇着尾巴。

2. V-T If you wag your finger, you shake it repeatedly and quickly from side to side, usually because you are annoyed with someone. 摇晃 (手指)

He wagged a disapproving finger. 他摇摇手指表示不赞成。

3. N the act or an instance of wagging 摇摆

4. N a humorous or jocular person; wit 爱说笑打趣的人