- two of a kind
- tea for two
- two shakes of a lamb’s tail
- bicycle built for two
- two by four
- two step
- two is company
- two peas in a pod
- a one, and a two…
- put two and two together
- catch 22
- two cents worth
- goody two shoes
- two heads are better than one
- two wrongs don’t make a right
- take two aspirin and call me in the morning
- terrible twos
- kill two birds with one stone
- two can play
- two to tango
