under one’s breath

(idiom) speak in a very quiet way

Example Sentences:

The young boy said a rude word under his breath so his mother wouldn’t hear him.

“Be quiet!” The woman said under her breath. “They’re coming!”

The beautiful young woman spoke under her breath so no one else would hear her.

Media:

Similar idioms:

1. out of the question
2. against all odds
3. take someone at their word
4. take my word for it
5. see someone
6. one can hear a pin drop
7. bring up
8. blue in the face
9. show off