- 夜里游泳很危险。
Swimming at night is dangerous.
- 这里游泳很危险的。
It is dangerous to swim here.
- 超速驾驶是很危险的。
Driving too fast is dangerous.
- 前面有危险。
Danger ahead.
- 在这条河里游泳很危险。
It is dangerous to bathe in this river.
- 红旗代表存在危险。
The red flag indicated the presence of danger.
- 一知半解很危险。
A little learning is a dangerous thing.
- 年轻人骑摩托车可能会很危险。
It can be dangerous for young people to ride motorcycles.
- 我们觉得她一个人去很危险。
We thought it dangerous for her to go alone.
- 酒喝太多很危险。
It is dangerous to drink too much.