From Longman Dictionary of Contemporary Englishbite your tonguebite your tongueSAYto stop yourself from saying what you really think, even though this is difficult She should have bitten her tongue. → bite
Examples from the Corpus
bite your tongue• Tell them to bite their tongues.• When he said he was the best on the team, I just bit my tongue.• But they want a pink one, so Ralph takes out a pink one, bites his tongue.• He's not and would be wise to bite his tongue.• It's all very well telling some one to bite their tongue and not fight back.• Whatever the reason, Dauntless bit his tongue and resolved to put up with Cleo Sinister.• She's so temperamental that even if you disagree with her it's better to bite your tongue and say nothing.• Always ready to knock on wood, throw salt over my shoulder, bite my tongue, cross my fingers.• I'm just biting my tongue for now. If she wants to ask my advice, she can.• Polly battled on, practically biting her tongue in half.• I had to bite my tongue to stop myself telling Neil exactly what I thought of his stupid plan.bite your tonguebite your tongueSAYto stop yourself saying something because you know it would not be sensible to say it I wanted to argue, but I had to bite my tongue. → tongueExamples from the Corpus
bite your tongue• Whatever the reason, Dauntless bit his tongue and resolved to put up with Cleo Sinister.• But they want a pink one, so Ralph takes out a pink one, bites his tongue.• Polly battled on, practically biting her tongue in half.• Always ready to knock on wood, throw salt over my shoulder, bite my tongue, cross my fingers.• It's all very well telling some one to bite their tongue and not fight back.• Tell them to bite their tongues.• He's not and would be wise to bite his tongue.