obsession是什么意思

　　例句：

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

　　在心理治疗中，她开始逐渐放下对麦克的痴迷。

　　Literature has become an obsession with her.

　　她对文学简直到了痴迷的程度。

　　Fitness has become an obsession with him.

　　他迷上了健身。