slough off

• • (蛇等)蜕(皮)；脱落：

    A cicada sloughs off its old skin every spring.

    蝉每年春天蜕皮。

  • 丢弃，抛弃；摆脱：

    A hope could slough off her sadness.

    希望可以使她摆脱悲伤。

  • 擦去；减少：

    He sloughed the sweat off his brow.

    他擦去了额上的汗水。