How is “be no fool” used?

In Cleopatra (1963), one line is: “Octavian is no fool. He won't fight.”

Which movie is “be no fool” from?

The clip at the top of this page is from Cleopatra (1963).

Octavian is no fool. He won't fight.

3 作品で登場 · 1 本目

to be too intelligent or know too much about sth to be tricked by other people

4 本の映画に登場

オックスフォード映画の 100%
to be too intelligent or know too much about sth to be tricked by other people
Seti was no fool.
Octavian is no fool. He won't fight.

定義：Oxford Advanced Learner's Dictionary 第 9 版