我大约两星期见他们一次。

I see them about once a fortnight.

youdao

如果这个RC版没有重大bug，大约两星期以后就将作为2.0.0版本发布。

If no outstanding bugs are reported with this release candidate, it will promoted to 2.0.0 about two weeks after this release candidate.

youdao

一个非官方的股票灰市已经运作了大约两个星期。

An unofficial grey market in the shares has been operating for about two weeks.

《柯林斯英汉双解大词典》