n.

1. 沖刷
2. 沖失地區；沖壞的缺口；侵蝕部分
3. 【俚】大敗；失望
   The rock concert was a washout.

   那場搖滾音樂會真叫人失望。

   The graduation party was a washout because of the big storm.

   因為暴風雪的來襲，畢業舞會完全失敗。

4. 失敗者

n.

1. informal a disappointing failure.
2. a breach in a road or railway track caused by flooding.
3. Geology  a channel cut into a sedimentary deposit by rushing water and filled with younger material.
4. Medicine  the removal of material from the body by washing with a fluid or by allowing it to be eliminated over a period.