butt heads Thành ngữ, tục ngữ

at loggerheads

not agreeing, opposed to each other They're at loggerheads over who owns the farm. They don't agree.

can't make heads or tails of something

" can't understand something at all;"

cooler heads prevailed

sensible people spoke, violence was avoided There was nearly a riot, but cooler heads prevailed.

heads or tails

choose one or the other, which side of the coin? """Heads or tails?"" the gambler asked as he flipped the coin."

heads will roll

someone will be punished Heads will roll when our boss learns about the money that we have lost recently.

put our heads together

confer, discuss, talk We put our heads together with the other members of the department to try and find a solution to the problem.

two heads are better than one

listen to more than one opinion """Let's ask Alice first. Two heads are better than one."""

heads up

keep your head up and be careful or ready（used as a warning to prepare for sth．or clear the way）注意；小心；留神（用以警告准备做某事或让路）
“Heads up！”said the waiter carrying the hot food．“小心，请让路！”服务员端着热腾腾的菜肴说。
Heads up，boys！A train is coming．孩子们，当心！火车来了。
Heads up now！You can do better than that．这次小心些，你就可以做得更好点。
heap coals of fire on one's head be kind or helpful to sb．who has done wrong to you，so that he is ashamed以德报怨使之羞愧
Although he had been unkind to us，we heaped coals of fire on his head by helping him in his misfortune．虽然他对我们一向不友好，但是，他患难时，我们以德报怨，帮了他的忙，使他感到很羞愧。
Alice heaped coals of fire on。Mary's head by inviting her to a party after Mary had gossiped about her．爱丽丝在玛丽说了她的坏话之后，邀请她参加晚会，使她惭愧。

lay heads together

conspire；confer 共谋；商议；集思广益
We'd better lay our heads together before deciding on any definite course of action．我们最好先商量一下，然后再决定行动方案。

lay/put heads together