小费

例句：

1. 1. The waiter tipped the bartender generously.
   服务员慷慨地给了酒吧调酒师小费。
2. 2. She gave him a small tip as a gesture of goodwill.
   她作为善意的表示给了他一个小费。
3. 3. He asked for a tip to show his appreciation for the service.
   他要求小费以表达对服务的感激之情。