1.I was afraid that my wife would be disturbed by mosquitos so I drove mosquitos away for her.
2.It is 奖项 meaning award, not 将.
3 It is also 奖项,not 将项。
4 却 means but.
5 I do not understand the sentence clearly. Maybe it means someone have hunted several hospitals for him?
6.点头 means some one agree on something。
I wish these answers can help you. If you have questions about Chinese, please feel free to ask me. (*^__^*)