wash up:
洗餐具洗手洗脸
He headed to the bathroom to wash up.
他去盥洗室洗漱。
wash:
v. 洗涤洗澡耐洗洗刷冲走拍打浸湿（情绪）冲击洗矿粉刷站得住脚被冲蚀
n. 洗涤（船或飞机驶过后留下的）波浪波浪声薄涂层肥皂液待洗的衣服冲积物泔水（对双方无益的）形式(the Wash) 沃什湾I'll wash and you can dry up.
我洗盘子，你可以擦干。
I must wash the car tomorrow.
我明天必须冲洗汽车。
My hair snaggles when I wash it.
我的头发一洗就打结。
These ink stains won't wash out.
这些墨渍洗不掉。
I wash my hair every night.
我每晚洗头发。
