"slouch down" in Chinese (Simplified)
弓着身子坐下没精打采地坐下
Definition
坐下时身体和肩膀向前或向下弯曲，通常表示放松、疲惫或懒散。
Usage Notes (Chinese (Simplified))
非正式用语，着重于不良坐姿，常表达疲劳、无聊或不想被注意。常与“椅子里弓身坐着”搭配。不同于“sit down”，后者更中性。
Examples
He slouched down in his chair after a long day.
他一天很累后**弓着身子坐下**在椅子上。
Children sometimes slouch down when they're bored in class.
孩子们在课堂上无聊时有时会**弓身坐着**。
Please don't slouch down at the table during dinner.
请吃饭时不要**弓身坐着**。
When the movie got boring, I just slouched down and played with my phone.
电影无聊的时候，我就**没精打采地坐着**玩手机。
She slouched down low in her seat, hoping no one would notice her.
她**弓着身子坐在**座位上，希望没人注意她。
I always end up slouching down on the sofa after a tiring week.
累了一周后，我总会**摊在**沙发上。