act as interpreter的用法和样例：
- I don't understand their language; you'll have to act as interpreter.
- I'll act as interpreter for you.
- My friend doesn't understand English, so I act as interpreter.
- Moreover, the co-workers Sri Lankan friend volunteered to act as interpreter during the project.
- She once acted as interpreter for DengXiaoping and Hu Yaobang at the ChineseAcademy of Sciences.