小费 (xiǎo fèi): Tip (Noun) — Meaning & Stroke Order

Although the service was not satisfactory, I still left a small tip out of courtesy.

After eating at a restaurant, we usually give a tip to show appreciation.

In upscale restaurants, giving an appropriate tip to the sommelier is an acknowledgment of their professional service.

I'm used to paying by phone, so I often add a tip for the driver directly in the app.