.Wash固定用法是Wash clothes，Do some washing意思都是洗衣服，例如I often wash my clothes on sunday，我經常在星期天洗衣服，Do you often do some washing in the evening，你經常在晚上洗衣服嗎？由此可見，wash是一個動詞，沒有介詞和它搭配

用作動詞

wash away (v.+adv.) ，wash down (v.+adv.)， wash off (v.+adv.)， wash out (v.+adv.)， wash over (v.+prep.)， wash up (v.+adv.)

用作名詞 (n.) come out in the wash in the wash

wash vt.
⒈ 洗，洗滌
She washed her face and hands,then went downstairs.
她洗了臉和手之後走下樓去。
⒉ 沖掉，沖走(+away)]
⒊ 沖擊,拍打；漫過；流過
⒋ 洗掉[(+off/away)]：
They washed those marks off the wall.他們把牆上的那些印記洗掉了。
He is trying to wash away his sins.
他正試圖洗刷他的罪過。
5，粉刷，塗（漆、顏料）於；鍍金屬薄層於
vi.
洗手；洗臉；洗澡；洗衣
This cloth washes well.
這種布很耐洗。
Huge waves washed over the deck of the ship.