Definition
to discuss a grievance or issue with someone directly in order to resolve a conflict or express strong feelings.
與某人弄清楚，說明白
They need to have it out to resolve their long-standing misunderstandings.
他們需要好好談談，以解決長期的誤會。
I decided to have it out with him directly because I was fed up with the constant arguments.
我決定直接和他攤牌，因為我受夠了不斷的爭吵。
She was tired of being ignored, so she decided to have it out with the manager.
她受夠了被忽視，所以決定和經理攤牌。