無我夢中

Meaning

1. n
   losing oneself (in); being absorbed (in); forgetting oneself

Example sentences

• 彼はジャズのことになると無我夢中になる。

  He is so crazy about jazz that he often forgets himself.

• 私は無我夢中で部屋を飛び出した。

  I ran out of the room without knowing what I was doing.