大半的英文：
most

More than half is incorrect
大半错误

Consist most (entirely) of
大半(全部)由…组成

I haven't seen my tutor for the better part of a month!
我已经大半个月没见到导师了!

Farmers pass the bigger part of their lives in the open.
农民一生中大半时间都在户外度过。

And we shall take more than half of the earnings of joint ventures.
合资经营的实际收益，大半是我们拿过来。

I haven' t seen my tutor for the better part of a month!
我已经大半个月没见到导师了!

Mr. White's farm is largely corn land.
怀特先生的农场大半是玉米地。

More than half of all sharks are smaller than 1 metre long.
以此类方式捕获的鲨鱼大半都还不到一米长。

The bulk of Britain's invisible export earnings comes from this sector.
英国无形的输出收入大半来自这一部分。

They were pretty well done by the time we got in.
我们进来时，这些工作已完成了大半。