"rant about" in Chinese (Simplified)
不停抱怨怒斥（关于）
Definition
带着愤怒且冗长地抱怨或谈论某事，常常情绪化、杂乱无章。
Usage Notes (Chinese (Simplified))
略带非正式和负面色彩。常指有人当众或在社交媒体上长时间抱怨。常用于 'rant about something.' 不等同于'discuss' 或 'explain.' 有时带幽默感。
Examples
He always rants about the traffic in the city.
他总是**不停抱怨**城市里的交通。
She likes to rant about her job after a long day.
她喜欢在一天结束后**不停抱怨**她的工作。
Don't rant about politics at dinner.
别在晚餐时**不停抱怨**政治。
My uncle will rant about anything if you let him start.
只要给我叔叔机会，他**什么都能不停抱怨**。
People go on social media just to rant about their problems.
人们上社交媒体就是为了**不停抱怨**他们的问题。
He started to rant about how awful the service was, and wouldn't stop.
他开始**怒斥**服务有多糟糕，还一直没完。