1.Be aware of：意识到
I like people who are going about their daily business without being aware of the camera（997-）
2.Behind the schedule/late
3.Be in charge of：负责，照顾，经管 be responsible for
4.Be in the charge of：下级+be in the charge of+上级
5.Be in season：应季的，当令的
These apples and pears seem to be in season.（995-6）
6.Be supposed to do：应该，被期望
What am I supposed to do with his help？
7.Book up
Break down/doesn‘t work
8.Bring up：教育，培养，提出
She brought up her children to be truthful.
9.Build up积累，增强，树立
10.By chance/run into：偶然