please yourself idiom informal
（语气常有些粗鲁）愿意怎样就怎样，随你的便
to do whatever you choose to do, often used in a slightly rude way by someone who does not agree with or care about what you do
"I can't stand this place - I'm going home." "Please yourself." “我没法在这个地方呆下去了——我要回家。”“随你的便。”