打抱不平
Defend someone against injustice
【注音】dǎ bào bù píng
【解释】电视连续剧《水浒传》里的歌儿唱道：“路见不平一声吼，该出手时就出手”。《水浒传》里的英雄们都是爱“打抱不平”的好汉。
There ie a popular sentence in the theme song of the TV series “The Water Margin”:give an angry shout whenever see injustice on the way, and give them a good beating whenever necessary.” All the heroes in “The Water Margin” are such valiants.
【例子】
例：这事儿跟你有什么关系，你打什么抱不平呀？
Ex.：What’s your part in this? Why bother taking sides and defenging the weak?
  
打交道
Come into contact with
【注音】dǎ jiāo dào
【例子】
例1：有人说，和上海人打交道需要很高的智商。
Ex1.：People say that one has to be with a high IQ to have dealing with Shanghainess.

例2：和他打交道，你要小心点儿。
Ex2.：You should be careful when have dealings with him.