Translation of "Czterdziestce" in English

Jest po czterdziestce.

He is past forty.

Ona jest wyraźnie po czterdziestce.

- She is certainly above forty.
- She is certainly over forty.
- She is clearly over forty.

Myślę, że ona jest po czterdziestce.

- I think she's over 40 years old.
- I think she is over forty years old.