They think this is just a help between friends.
他们认为这只是朋友之间的帮忙。
But in casual talk between friends we can just use this phrase.
但平时朋友间的闲谈还是用上边的短语。
Quarreling between friends is just an internal contradiction, why do you take it so seriously?
朋友之间吵架属于内部矛盾，你又何必较真呢？
Even their fights are just like arguments between good friends.
甚至打架就像是很好的朋友之间的争论。
Even their fights are just like arguments between good friends.
甚至打架就像是很好的朋友之间的争论。
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