1. Caught with one's pants down
2. All things being equal
3. Living in close quarters

4. Beats around the bush
5. Cross purposes
6. Safety in numbers

7. Two thumbs up
8. He's on the right track
9. One step forward, two steps back

10. Get it over with
11. Big time
12. Back to square one

13. We've got them cornered
14. Keep up with the times
15. Odd one out