drift off

• • 慢慢离开，慢吞吞(或不经意)地走开；逐渐移动：

    One by one the lovers drifted off into the moonlight.

    情人们成双成对地在月光下漫步。

  • 慢慢地睡着，渐渐入睡；迷迷糊糊地出神：

    They drifted off to sleep as the music played.

    他们在听音乐时迷迷糊糊地睡着了。