1. To kick the bucket - to die. 'I heard the mafia boss had kicked the bucket'
2. After one's own heart - having the same ideas, preferences or behaviours as oneself. 'You like dunking rich tea biscuits too, a man after my own heart'
3. To add fuel to fire - to make a situation worse. 'First he dropped the pot plant, then adding fuel to the fire he trod on it'
4. A little bird told me - information gained from someone who you are not going to name. 'Let's just say I know about it because a little bird told me'.
5. Kettle of fish - A situation different or alternative to some other situation, but not nec. unfavourable. 'Oh, you mean knitting a jumper, well that's a different kettle of fish entirely'.
6. Can of worms - A complex, troublesome situation arising when a decision or action produces considerable subsequent problems. 'If you promote him to captain of the football team when he is not suitable, this could open a can of worms with the other players'.
7. A few sandwiches short of a picnic - mad, not sane. 'He talks to himself, I think he's a few sandwiches short of a picnic'.
8. Brownie point - Credit or praise for good work or a good deed. 'You'll get brownie points with your girlfriend for buying her flowers'.
9. Bark up the wrong tree - to take the wrong approach to something or follow a false lead. 'If you think you will get him to change his mind just by asking nicely you are barking up the wrong tree'.
10. Bring home the bacon - to earn a living and make money for your family to live on. 'Women these days not only take care of the household but also bring home the bacon'.