9. Can I knock off early?
我可以提前下班吗？
还能这样说：
Can I ring it out in advance?
Could I punch out early?
应用解析：
knock the worry 摆脱忧愁；
knock such notions 给人以深刻的观念；
knock sth. on the head 破坏某事

10. That gives me no other option but to walk.
我别无选择，只能走路。
还能这样说：
I have no choice but to walk.
I have nothing to take but to walk.
应用解析：
have no option but to (do) 除了……以外没有它法，只好；
leave to one's option 任意选择；
make one's option 进行选择

11. I usually go to work by bus while I get off work on foot.
我坐公交车上班，下班走路回家。
还能这样说：
I often take a bus to work, but I walk to go home.
I usually go to office by bus; however I go home on foot.
谚语：
Better to slip with the foot than with the tongue.
宁可失足，不可失言。

12. Just give me a minute to log out.
给我一分钟的时间退出电脑系统。
还能这样说：
Please leave me one minute to close the computer.
I should pull out of the computer system for a minute.
应用解析：
You roll my log and I'll roll yours.
你帮我，我也帮你；互相吹嘘（标榜）。