1. in brief简言之

2. in blossom开花(指树木) be in blossom开花(强调状态) come into blossom开花

3. in case万一；

4. in any case无论如何

5. out of breath 喘不过气来

6. blame sb. for sth. 因…责备某人 . blame sth. on sb. 把…推在某人身上

7. in bulk 成批地，不散装的

8. take the floor 起立发言

9. on business 出差办事.

10. be busy doing sth. 忙于做某事