11.Be aware of:意识到
I like people who are going about their daily business without being aware of the camera(1997-1)
12.Behind the schedule/late
13.Be in charge of:负责，照顾，经管 be responsible for
14.Be in the charge of:下级+be in the charge of+上级
15.Be in season:应季的，当令的
These apples and pears seem to be in season.(1995-6)
16.Be supposed to do:应该，被期望
What am I supposed to do with his help?
Break down/doesn’t work
She brought up her children to be truthful.
20.By chance/run into:偶然