putsboff(sth)
—phrasal verbwithputverbuk/pʊt/us/pʊt/present participleputting|past tense and past participleput
to take someone'sattentionaway from what theywantto be doing or should be doing
（从…）分散（某人）的注意力，让（某人）打消（…）的念头
Once she's made up hermindto do something, nothing will put her off.她一旦下定决心做什么事情，没有什么能让她改变主意。
Could you bequietplease- I'mtryingtoconcentrateand you're putting me off.请你安静些好吗——我想要集中注意力，而你打扰了我。
Thesuddenflashof thecameraput theplayersofftheirgame.照相机突然闪光，分散了选手们比赛的注意力。