Those grease stains won't wash off.

那些油渍洗不掉。

"You're wrong about the crumbs," said the Mock Turtle, "crumbs would all wash off in the sea."

“面包屑你可说错了，”假海龟说，“海水会把面包屑冲掉的。”

Let's wash off the soap now.

我们把肥皂洗掉吧。

Wash off soap or remaining dirt.

冲洗掉肥皂沬或残存泥垢。

Wash off all the soap.

把肥皂都洗掉。