翻译几句英语

1.请用刀把这个面包一切为二

2.空调使我们在夏天过得更舒适（make）

3.他一生中都未曾踏出国门（in one's whole lifetime)

4.他们上初中时由SMITA先生教数学（被动态）

括号里的是一定要用的，谢谢！答案好的话，会给你加分的

1.Please cut the bread in half with the knife.

2.air conditioner make us more comfortable in summer.

3.He has not stepped gateway of a country ever before in his whole lifetime.

4.They were teached Maths by Mr.Smith During their junior year in high school

楼上的翻译基本正确的

2. air conditioner 后面应跟“makes"

cut the bread into two pieces with knife.

the air-conditionor makes us comfortable in summer.

he has never been to overseas in his whole lifetime.

his math was taught by SMITA in junior middle school.