They put their heads together and decided on a gift.

他们经过碰头商量，最后决定选购一件礼物。

youdao

They put their heads together and decided on all the details of the project.

他们一起出主意，把整个计划的所有细节都定下来了。

youdao

They forced the major Banks to put their heads together to sort it out.

他们迫使各主要银行一起努力以解决问题。

youdao

If you're sure there's no realistic possibility they put their heads together, the evidence of each is capable of supporting the evidence of the other.

BBC: Artist Graham Ovenden's indecency case jury retires

So he and his fellow mediators from the European Union are trying a new tack: they are knocking heads together among the quarrelsome ethnic Albanians before they put their case to Mr Milosevic.

ECONOMIST: Kosovo