Here are the evaluations of the idioms in the sentences:

1. **True** - "green" means inexperienced.
2. **False** - "browned off" means annoyed, not related to lying in the sun.
3. **True** - "house-trained" refers to a pet that is housebroken.
4. **True** - "peckish" means slightly hungry.
5. **True** - "light-fingered" suggests being skillful, especially in playing instruments.
6. **False** - "stuck up" means arrogant, not flattered.
7. **True** - "laid up" means unable to work due to illness.
8. **True** - "ears burning" means someone is being talked about.
9. **False** - "to bear fruit" means to produce results, not related to having children.
10. **True** - "kicked the bucket" means to die.
11. **True** - "dropped off" means to stop attending.
12. **True** - "ivory tower" refers to being out of touch with reality, usually in a wealthy context.
13. **True** - "with his tongue in his cheek" means not being serious.
14. **False** - "stick their necks out" means to take a risk, usually not characteristic of cowards.
15. **True** - "thumb a lift" means to hitchhike.
16. **False** - "took you for a ride" usually means to deceive or cheat someone.

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