[ idiom mainly US informal ] used to say that someone should do what they think is best, what they enjoy most, or what suits their personality.
[ 习语 主要在美国使用 非正式用语 ] 做自己认为是最好的事，做自己喜欢做的事，做适合自己的事

例句：

Just do whatever you want to do. You do you. 做任何你想做的事吧。做自己。

You never listen to others. I mean, you do you. 你从不听别人的意见。我是说，你这个人我行我素。

In fact, being one’s true self is one of the biggest pieces of advice Douglas gives. “You do you,” she says. 事实上，做一个真实的自己是道格拉斯给出的最大建议之一。“你做你自己，”她说。

If you’re not ambitious and are perfectly happy with an easy target, then by all means you do you. 如果你没有野心，并且对一个简单的目标非常满意，那么你一定要做你想做的。