brush off
1．remove with a brush；disappear or come off as a result of being brushed 刷去；刷落
She brushed off the dust on her shoes．她刷去鞋子上的灰尘。
Don't worry，the dirt will brush off easily．别着急，这脏东西很容易刷掉。
He brushed the hairs off．她把身上的头发刷去了。
2．reject；dismiss curtly；not take seriously 拒绝；毫不客气地把…打发走；对…不在乎
He brushed off all our suggestions．他拒绝了我们所有的建议。
I invited him to watch an opera with me yesterday，but he brushed me off．昨天我邀请他同我一起去看戏，但是他毫不客气地拒绝了。
I didn't expect her to brush us off like this．我没有料到她会这样拒绝我们。
He cut his finger but he brushed it off and kept on working．他划破了手指，但他若无其事地继续工作。