1. To keep a straight face – to try not to laugh
2. To turn a blind eye – to pretend not to notice something
3. To be up to your neck in something – to be very busy
4. To be all fingers and thumbs – to be very clumsy
5. To pull someone’s leg – to joke with someone
6. To put your foot in it – to say the wrong thing
7. To get your head round something – to understand something
8. To turn your nose up at something – to show you dislike something
9. To hold your breath – to wait for something that probably will never happen
10. To get blood out of a stone – very difficult to get something from someone