◆1. above all - most importantly

　　◆2. account for - explain

　　◆3. as a matter of fact - in fact ,to speak the truth

　　◆4. as a rule - generally ;normally

　　◆5. about to - be ready to;be on the point of doing something

　　◆6. an old hand - be an experienced persom

　　◆7. any day now -soon

　　◆8. approach sb -talk to sb

　　◆9. be fed up with - be out of patience with

　　◆10. be on one’s own - live independently

　　◆11. be on the safe side - take no chances

　　◆12. be out of something - have no longer in supply

　　◆13. be tired of - be bored with ,frustrated with

　　◆14. be up to ones’ears - be extremely busy

　　◆15. be up to someone -be a person’s responsibility

　　◆16. be out for -trying to get

　　◆17. be out of the question - be unacceptable ,impossible

　　◆18. bite off more than one can chew - take on more than one can handle

　　◆19. break down - cease to function

　　◆20. break the ice - begin to be friendly wuth people one doesn’t know