Examples
tā men他们liǎ俩gōng zuò工作shàng上lián xì联系duō多，jīng cháng经常dǎ jiāo dào打交道。
他们俩工作上联系多，经常打交道。
Those two communicate a lot with each other at work, often rubbing shoulders.
我不喜欢跟人打交道。
I don't like to socialize.
别和这个人打交道。
Don't get involved with that guy.