obsession是什么意思

　　例句：

　　In therapy, she began to let go of her obsession with Mike

　　在心理治療中，她開始逐漸放下對麥克的癡迷。

　　Literature has become an obsession with her.

　　她對文學簡直到了癡迷的程度。

　　Fitness has become an obsession with him.

　　他迷上了健身。