bite back
US /baɪt bæk/
UK /baɪt bæk/

1.
to react to something negative or harmful by attacking or criticizing in return
:
•
She wanted to bite back at his rude comments but held her tongue.
•
The company's strong response helped them bite back against the negative publicity.
2.
to suppress or hold back a strong emotion, especially tears or anger
:
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She had to bite back her tears during the emotional farewell.
•
He managed to bite back his anger and remain calm.