11.Be aware of：意識到

　　I like people who are going about their daily business without being aware of the camera

　　12.Behind the schedule/late

　　13.Be in charge of：負責，照顧，經管 be responsible for

　　14.Be in the charge of：下級+be in the charge of+上級

　　15.Be in season：應季的，當令的

　　These apples and pears seem to be in season.

　　16.Be supposed to do：應該，被期望

　　What am I supposed to do with his help?

　　17.Book up

　　Break down/doesnt work

　　18.Bring up：教育，培養，提出

　　She brought up her children to be truthful.

　　19.Build up積累，增強，樹立

　　20.By chance/run into：偶然