an amused smile 开心的微笑
keep sb amused
- I took plenty of games to keep the children amused.
- The teacher wasn't amused when she saw the mess in the classroom.
- I don't know why you're laughing - there is nothing to be amused about.
- The professor was very amused at some of the children's comments.
- He watched us with an amused expression as we struggled to put up the tent.