bring together

band together

to unite, to come together

bang some heads together

Attempt to get results from a previously ineffectual or argumentative group, typically by coercion or force.

birds of a feather flock together

People of similar character, background or taste tend to congregate or associate with one another; it is easier to establish friendships with people that one has a lot in common with.

bring a knife to a gunfight

To enter into a confrontation or other challenging situation without being adequately equipped or prepared.

bring a lump to someone's throat

To engender a strong emotional reaction.

bring back to life

To return someone to a state of consciousness or living after a state of unconsciousness, death or near-death.

bring down the curtain

To bring something to an end.

bring down the hammer

To treat very harshly.