To rove; ramble; stroll.

漂泊；游荡；徘徊(about)。

To stray.

入歧路；迷途。

To be delirious or out of one's mind.

昏乱；昏迷。

To digress or turn aside.

旁涉；离题。

To err; go wrong.

犯错误。

To rove or roam through or over.

漫游。

The act of roaming aimlessly.

无目的之漫游。

To wander is to move here and there without a purpose.

Wander 指漫无目的的走来走去：

To digress is to leave, temporarily, the main theme of a speech or writing.

Digress 指暂时离开演说或写作之主题：

Deviate and stray mean to turn aside from a predetermined course or rule.

Deviate 与 stray 指脱离预先决定之路途或规律：