1. | Forty winks ? | |
2. | Know something inside out ? | |
3. | Come to light ? | |
4. | Out of bounds ? | |
5. | Once in a blue moon ? | |
6. | Bite off more than one can chew ? | |
7. | Feather your own nest ? | |
8. | be an open book ? | |
9. | Look before you leap ? | |
10. | Come hell or high water ? | |