/brʌʃ ||; brʌʃ/verb1 [T] to clean, tidy, etc sth with a brush （用刷子、扫帚）刷，梳，扫: Make sure you brush your teethtwice a day. 牙齿每天都要刷两遍。 Brush your hairbefore you go out. 出门之前要用刷子梳头发。 ☞Look at the note at clean ². 参看clean^2的注释。
2 [I,T] to touch sb/sth lightly when passing 经过时轻触: Her hand brushed his cheek. 她的手碰到他的脸颊。Leaves brushed against the car as we drove along the narrow road. 我们沿着窄路驶去的时候，树叶轻擦着车身。
brush sb/sth aside 1 to refuse to pay attention to sb/sth 置之不理: She brushed aside the protests and continued with the meeting. 她对抗议置若罔闻，继续开会。
2 to push past sb/sth 经过时推开: He hurried through the crowd, brushing aside the reporters who tried to stop him. 他匆匆穿过人群，推开想要阻截他的记者。
brush sth off (sth)/away to remove sth with a brush or with the hand, as if using a brush 刷走；撢开:
I brushed the dust off my jacket. 我把夹克上的灰尘撢掉。 brush sth up/brush up on sth to study or practise sth in order to get back knowledge or skill that you had before and have lost 重温荒疏了的知识或技术:
She took a course to brush up her Spanish. 她为了复习西班牙语，选读了一门课程。