Cryptic Phrase Puzzles

There are a few of these going around just now and I want to be able to find them again and the answers but of course I'm missing some. If you have an answer that I don't or a better answer than what I think it is please add it in the comments

1. Sandbox
2. Man Overboard
3. I understand
4. Reading between the lines
5. Long underwear
6. Crossroads
7. Down Town
8. Tricycle
9. Split Level
10. 3 degrees below zero
11. Neon Lights
12. Circles under the eyes
13. High Chair
14. Paradise (pair o' dice)
15. Touchdown
16. 5 feet underground
17. Mind over matter
18. He's beside himself
19. a backwards glance
20. Life after death
21. G.I. overseas
22. Space Program
23. See through blouse
24. Just between you and me

1. The Seven Seas
2. Split Level
3. Forgive and Forget
4. Missing You
5. Downtown
6. Lucky Break
7. He's beside himself
8. See through blouse
9. First Aid
10. West Indies
11. 6 feet underground
12. a backwards glance
13. Tricycle
14. Reading between the lines
15. Crossroads
16. 3 degrees below zero
17. Neon lights
18. Just between you and me
19. One in a million
20. Broken Promise
21. You're out of touch
22. Life after 40
23. Jack in the box
24. growing economy
25. Up before 8
26. Just around the corner
27. Apple Pie
28. Making Up for lost time
29. Standing ovation
30. I understand you undertake to undermine my undertaking