Meanings of received strange in English

I want to know if any other colleagues have received strange emails.

She received strange letters also from her unknown admirers.

I've always received strange looks from my peers, but that has never stopped me from playing games.

We have received strange news.

She also told detectives she had received strange calls, had been followed home, and that flowers had been left at her door.

It has received strange new vigour to-day, partly by reaction from extreme rationalism, partly by the growing cultivation of the aesthetic faculties.