5. Manager, my salary isn't enough to support me and my family.
经理，我的工资都不够养活我和我的家人。
还能这样说：
Manager, I don't think my salary is enough to support me and my family.
Manager, I think my salary is too low to support me and my family.
谚语：
A word to the wise is enough.
智者一言足矣。

6. I want to get a 10% pay raise.
我想要涨10%的工资。
还能这样说：
I'd like a 10% raise.
I'd like to have a 10% pay raise.
应用解析：
raise sb.'s spirits 使某人感到振奋或受到鼓舞，鼓起某人的勇气；
raise the temperature 加剧紧张气氛，敌对情绪等

7. What salary would you expect to get?
你想拿多少薪水？
还能这样说：
What salary do you expect to make in this position?
How much money do you expect to get?
应用解析：
as might have been expected (=as was expected) 果然不出所料

8. I will wait for your reply.
我等您的答复。
还能这样说：
I'm waiting for your answer.
I look forward to your response.
谚语：
Cry for the moon.
海底捞月。