tang.2046

1.John嫉妒得简直要发狂了。
2.学生在课堂上昏昏欲睡，老师终于忍不住发脾气了。
3.不过，生活质量的差异不能完全解释这一结果.
4.Eat to live, but not live to eat.

1.John was so jouleas to crazy.
2. The teacher can't help getting angry that the student fell asleep in calss.
3. The difference of the living quality can't be explained this result.
4. 为了生活而吃，不要为了吃而活着。