他也许几个月来一直在写论文。

He may have been writing the paper for months.

youdao

也许几个星期，也许几个月。

Maybe several weeks, maybe several months.

youdao

一段时间之后(也许几个月以后)，体重锻炼于你而言已经不是挑战。

After awhile (a couple months perhaps), they aren't all that challenging.

youdao

So maybe for the next couple of months, I have to stop going out so much.

因此，也许接下来几个月，我不能再这么频繁地往外跑了。

I think 实战 - SpeakingMax英语口语达人