wash out

基本解释

Once, rolling off her and almost falling off the bed, he noticed a smear of period blood that K. had been unable to wash out.
有次結束後他幾乎從牀上摔下去，他注意到牀上的K沒洗掉的一點血跡。
But someone had to wash out the hole.
不過縂得有人把坑洗乾淨。
When it's above the horizon, the moon can wash out all but the most intense of displays with its light.
若是月亮尚在地平線上，它的光亮會沖淡一切，這樣就衹能看到月光了。

There was nothing to wash out -- no mark of any kind -- no blood whatever.
We don't have to worry about how you solve it, but it's problem in mathematics and the answer will be--surprise, it's going to be oscillating back and forth and that'll come out of the wash.
我們沒必要去擔心這個方程該怎麽解,但這個數學問題的答案將會是令人驚訝的,彈簧會來廻振蕩,問題就迎刃而解了
耶魯公開課 - 基礎物理課程節選
She costs C for sure, that's a wash because B, the way we've worked things out, B was $2, C was $1, So B/2-C is a wash.
她承擔C的成本,收益是零,因爲B,按我們設定的金額,B是2美元,C是1美元,所以B/2-C是零
耶魯公開課 - 博弈論課程節選

How this will wash out over the long run isn't clear at the moment.
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