keepsthoff(sb/sth)
—phrasal verbwithkeepverbuk/kiːp/us/kiːp/kept|kept
B2
tostopsomethingtouchingorharmingsomeone or something
挡开；使免受…的侵害
Put aclothover thesaladtokeepthefliesoff.在色拉上盖一块布来挡苍蝇。
Wear ahattokeepthesunoff(= topreventitharmingyourskin).戴顶帽子遮挡阳光。