1. 清洗…的内部
    If you wash out a container, you wash the inside of it.

    e.g. It was my job to wash out the fish tank.
           我的工作是清洗鱼缸内壁。

2. （颜色或污渍）可洗掉
    If dye or dirt washes out, it can be removed by washing.

    e.g. With permanent tints, the result won''t wash out.
           用的是永久性的涂料，洗不掉。

3. (因下雨而)取消，使中止
    If rain washes out a sports game or other event, it spoils it or prevents it from continuing.

wash out的翻译

    e.g. Rain washed out five of the last seven games.
           由于下雨，最后的7场比赛取消了5场。

4. see also: washed-out;washout

1. lose color in the process of being washed

    e.g. The expensive shirt washed out in the German washing machine

2. drain off the color in the course of laundering

    e.g. The harsh soap washed out the delicate blouse

3. deplete of strength or vitality

    e.g. The illness washed her out

4. remove by the application of water or other liquid and soap or some other cleaning agent

    e.g. he washed the dirt from his coat
           The nurse washed away the blood
           Can you wash away the spots on the windows?
           he managed to wash out the stains

    Synonym: washwash offwash away

5. wash free from unwanted substances, such as dirt

    e.g. Wash out your dirty shirt in the sink

6. wear or destroy by the force of water

    e.g. The hail storms had washed out the bridges

7. prevent or interrupt due to rain

    e.g. The storm had washed out the game

    Synonym: rain out