TAP

例句：

1. 1. She tapped the table gently with her finger.
   她轻轻地用指尖敲打桌子。
2. 2. The cat tapped at the door with its paw.
   猫用爪子轻敲着门。
3. 3. He tapped his foot impatiently while waiting for his turn.
   他在等待轮到他时不耐烦地轻敲着脚。