rub in

• • 把(搽剂等)擦进表层：

    Rub the ointment well in the skin.

    揉搓软膏使其渗入皮肤。

  • [口语]反复讲(某种教训)；强调：

    The lesson of our failure should be well rubbed in.

    我们失败的教训应该反复地讲。