"obsess" in Chinese (Simplified)
痴迷困扰（心理上）
Definition
对某事或某人一直反复思考或担忧，常常是不健康的，影响你关注其他事情。
Usage Notes (Chinese (Simplified))
常与'about'/'over'/'with'等介词连用，多用于口语和中性语境，也用于心理类表达。强调难以控制的强烈关注，强度比'worry'大，但比'addicted'稍弱。
Examples
He obsesses about his grades all the time.
他一直在**痴迷**于自己的成绩。
Don't obsess over every little mistake.
不要对每一个小错误都**痴迷/纠结**。
She tends to obsess with her appearance.
她总是容易对自己的外表**痴迷**。
Try not to obsess about things you can’t control.
尽量不要为无法控制的事情而**纠结**。
People sometimes obsess over tiny details and miss the big picture.
人们有时会对细节**痴迷**，反而忽略了整体。
After watching that show, I started to obsess with solving puzzles myself.
看完那个节目后，我开始自己**痴迷**解谜。