1.be filled with 充满
May your Christmas be filled with delight.
愿你的圣诞节满是愉快。
2.be responsible for 对...负责
Our client wanted to be responsible for testing the application.
我们的客户想要负责测试这个应用程序。
3.scratch my back 你帮我
Yup, you know how it is: You scratch my back, I'll scratch yours.
对,你知道是怎样的吗:你帮我,我帮你。
4.be happy with 对...满意
So she chooses to be a researcher at a lab and is very happy with her work.
所以,她选择的职业是在一个实验室里当研究员。她对她的工作很满意。