get behind (with)

• • 落在后面，没及时…：

    The post office got behind in delivering Christmas mail.

    邮局没有及时发送圣诞节邮件。

  • 拖欠付款：

    If you get behind with the rent,you will be asked to leave.

    你要是拖欠房租，就得请你走人。

  • 赞同或支持(某人或某事)：

    to get behind the amendment

    支持该项修正案

  • 理解，支持(病人康复)