1.抽烟对健康有不好的影响
Smoking has a bad effect on our health.
2.这部影片很值得再看一遍
The film is well worth looking a second time.
3.2/3的老年人睡眠不好(要求用suffer from、sleep problem)
Two thirds of the old people suffer from sleep problem.
4.据说这两起事故彼此间有联系(要求用be related to)
It is said that this two accidents were related to each other.