wanglei0423

1.John嫉妒得简直要发狂了。
John is nearly in crazy envy.
2.学生在课堂上昏昏欲睡，老师终于忍不住发脾气了。
The students is go asleep,the teacher can't help lose his temper.
3.不过，生活质量的差异不能完全解释这一结果.
But ,the difference of life can't explain this reasult in totally.
4.Eat to live, but not live to eat.
生活不仅仅是活着。

guiguiemo

john as envy as nearly maded
sdudent sleepy in class course teacher can not bear his temperament finally

龙楚红

1.John嫉妒得简直要发狂了。
John is so envied that to be crasy.
2.学生在课堂上昏昏欲睡，老师终于忍不住发脾气了。
The students are sleeepy in class and the teacher can not help mading.
3.不过，生活质量的差异不能完全解释这一结果.
However, the different of quality which can not explain the result.
4.Eat to live, but not live to eat.
吃是为了活着，而活着不是为了吃。

leowong

1.John嫉妒得简直要发狂了。
jealous drives john crazy.
2.学生在课堂上昏昏欲睡，老师终于忍不住发脾气了。
students are always sleepy in the classes so that the teacher cant stand it and loses his temper.
3.不过，生活质量的差异不能完全解释这一结果.
nevertheless, the difference of quality of life is not explain this result completely
4.Eat to live, but not live to eat.
为了生活而吃饭，而不是为了吃饭而生活。

Turbo123

i think 2.go mad to jealous