How is “it's a wonder” used?

In The Crucible (2014), one line is: “It is a wonder they do believe her.”

Which movie is “it's a wonder” from?

The clip at the top of this page is from The Crucible (2014).

It is a wonder they do believe her.

8 作品で登場 · 1 本目

it is surprising or strange

くだけた · 18 本の映画に登場

オックスフォード映画の 100%
it is surprising or strange
It's a wonder there is anything left to eat.

定義：Oxford Advanced Learner's Dictionary 第 9 版