1check out 相当于find out
2checking account
3check-up
4check with
5cheer up
6chemistry lab
7chocolate bar
8chop down
9circulation desk
10Civil War
11class president
12classical music
13class schedule
1classical station
2classified ads
3clean out
4clean up
5clear off
6clear up
7close to
8closing date
9coffee break
10collect call
11come a long way
12come along
1come around to
2come back
3come by
4come down
5come in
6come in handy
7come into + money/ a fortune/ a legacy
8come in first in the race
9come in handy
10come out