knock (somebody's) heads togetherinformalANGRY to tell people who are arguing that they must stop and behave more sensibly 制止(某人)争吵,使(某人)恢复理智 None of them can agree and it needs someone to knock heads together. 他们各持己见,需要有人出面让他们别再吵了。
knock (somebody’s) heads together• If you two don't stop yelling at each other, I'll knock your heads together!• He caught hold of the two nearest him and knocked their heads together, kicked two more and grabbed the ringleaders.• She'd just box a few ears, knock a few heads together like she did with the Rattries, and chase them off.
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