11.Climbing the mountain in winter is dangerous.  冬季登这座山很危险。

12.Driving to Shenzhen will take us 2 hours.  冬季开车去深圳要2小时。

13.Asking a woman's age is impolite in my country.  在我们国家，问女士的年龄是不礼貌的。

14.Riding with a drunken driver is a risk.  乘坐一个喝醉酒的司机的车是一种冒险。

15.Speaking in public is a challenge to a lot of people.  对许多人来说，公众演讲是一大挑战。

16.Finding your office isn't easy.  你们办公室真是难找。

17.Hearing the other side of the story would be interesting.  听听这个故事的另一面可能会很有意思。

18.Reading newspapers in the morning has become a routine for me.  早晨读报已经成为我每天必做的一件事。

19.Owning a car is becoming more and more common in China.  拥有汽车在中国越来越普通了。

20.Losing someone you love is a painful experience.  失去你深爱的人是非常痛苦的遭遇。