rub out

vt. 擦掉, 拭去, 谋杀

例句与用法：

The tried to remove the mark from his jacket with a cleaning fluid, but it wouldn't rub out.

她试图用清洁剂来除他短上衣上面的污痕，但搓洗不掉。

Pencil rubs out easily.

铅笔写的容易擦掉。

The ink won't rub out.

这种墨水擦也擦不掉。

He rubbed out the mark on his book.

他把他书上的记号擦掉了。