leave alone

• • 让…一个人呆着；撇下…一个人：

    They leave their daughter alone in the house on weekdays.

    平时他们把女儿独自留在家中。

  • 不理会；不管；别碰；别惹；不打扰：

    The committe left alone his proposal.

    委员会不理会他的建议。

    Leave her alone. She is in a mood now.

    别惹她，她现在情绪不好。

  • 更不用说，更不消说：

    In old China there was hardly any machine-building industry, leave alone an automobile industry.

    在旧中国几乎没有机器制造工业，更不消说汽车制造业了。