KEEP (SOMEONE OR SOMETHING) WITHIN BOUNDS

keep (someone or something) within bounds: translation

Fig.to cause someone or something to remain constrained or be reasonable; to cause someone to act or something to be in good taste. •

I know you want artistic freedom, but if you want an audience, you are going to have to keep within bounds.

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Try to keep the children within bounds.

•

Do keep your behavior within bounds.