wash out
phrasal verbwash out 
- (of a dirty mark污迹 (从衣服上)被洗掉 - These ink stains won't wash out.这些墨渍洗不掉。 
 
- These ink stains won't wash out.
wash something  out 
- to wash the inside of something to remove dirt, etc.洗净,清洗(某物的内部) - She washed out the empty bottles.她洗去了空瓶。 
 
- She washed out the empty bottles.
- to remove a substance from something by washing把…洗掉 - Wash the dye out with shampoo.用洗发剂把染发剂洗掉。 
 
- Wash the dye out with shampoo.
- [usually passive] (of rain雨 使(比赛等)提前结束;阻止…的举行 - The game was completely washed out.这场比赛因下雨根本无法进行。 
 
- The game was completely washed out.