dust off
phrasal verbdust somebody/something off
- to remove dust, dirt, etc. from somebody/something
除去…的灰尘 - She got out the best china and dusted it off.
她拿出最好的瓷器，掸去灰尘。 - He put down the box and dusted off his hands.
他放下盒子，掸掉手上的灰尘。
- She got out the best china and dusted it off.
- to use something again after a long period of not using it
（长期闲置后）重新启用 - For the concert, he dusted off some of his old hits.
为了这次音乐会，他重新捡起了他的一些曾红极一时的老歌。
- For the concert, he dusted off some of his old hits.