EXP :- Sweeping statement is the term used when you give conclusive or decisive comment about something or someone. You may not know but you give sweeping statements several times a day and if you don't mind let me say that most of the time you are wrong
2. All at sea – Puzzled,In a state of confusion and disorder. (SO(Audit), 1997)
EXP :- This is an extension of the nautical phrase 'at sea'. It dates from the days of sail when accurate navigational aids weren't available. Any ship that was out of sight of land was in an uncertain position and in danger of becoming lost.
3. Enough rope – Enough
freedom for action
(SO(Audit), 1997)
EXP:-
4. By fits and start –
Irregularly (SO(Audit), 1997)
5. Fell foul of – Got into
trouble with (SO(Audit), 1997)
6. Token strike – Short
strike held as warning (SO(Audit), 1997)
7. Face the music – Get
reprimanded (SO(Audit), 1997)
8. 
Look down upon – Hate intensely (SO(Audit), 1997)
Look down upon – Hate intensely (SO(Audit), 1997)
9. Flogging a dead horse –
Wasting time in useless effort (SO(Audit), 1997)
10. Under a cloud – Under
suspicion (SO(Audit), 1997)
11. Green thumb – To have a
natural interest (SO(Audit), 2001)
12. Played havoc – Caused
destruction (SO(Audit), 2001)
13. No love lost between –
Not on good terms (SO(Audit), 2001)
14. Fair and square – Honest
(SO(Audit), 2001)
15. A white elephant –
Costly or troublesome possession (SO(Audit), 2001)
16. Out and out – Totally (SO(Audit), 2001)
17. On the cuff – On credit (SO(Audit), 2001)
18. Does not hold water –
Cannot be believed (SO(Audit), 2001)
19. A wild goose chase –
Futile search (SO(Audit), 2001)
20. In a tight corner – In a
difficult situation (SO(Audit), 2001)
Dear readers if u want explanantion as displayed in first 2 idioms let me know....