drift into (或 toward)

• 陷入，渐渐进入：

  The pupils drifted into class.

  学生陆续进入课堂。

  The boy drifted into a bad habit.

  这男孩逐渐染上了一个坏习惯。

  The criminal drifted into a life of crime.

  那罪犯死不悔改。