1. to circle
2. to go back
3. to turn around
4. to answer
5. to return
6. to revolve
7. Hui ethnic group (Chinese Muslims)
8. time
9. classifier for acts of a play
10. section or chapter (of a classic book)

1. to curve
2. to return
3. to revolve

1. matter
2. thing
3. item
4. work
5. affair

classifiers: 件, 樁, 回