To turn a blind eye => pretend not to notice, intentionally ignore

10 IDIOMS YOU MUST KNOW

1. 
   To turn a blind eye => pretend not to notice, intentionally ignore
   
2. 
   To drive somebody up the wall => to make somebody angry, to annoy somebody
   
3. 
   To bark up the wrong tree => to try to get something in a way that is not going to work
   
4. 
   To sit (to be)on the fence => to be unable\unwilling to make a decision
   
5. 
   To see eye to eye => to egree
   
6. 
   To beat around the bush => to avoid talking about what’s important
   
7. 
   By the skin of somebody’s teeth => barely, only just, by a small margin
   
8. 
   To be (to feel)under the weather => to feel slightly ill
   
9. 
   Out of the blue => suddenly, unexpectedly
   
10. 
    To call it a day => that’s enough for today