I cried for half a month.

我哭了半个月。

The New Year is just half a month away.

再过半个月就是新年了。

It is always half a month or one month late.

往往晚来半至一个月。

The goods arrived half a month later than scheduled.

货物比原计划晚到了半个月。

Half a month.

半个月。