knock up
phrasal verbwithknockverbuk/nɒk/us/nɑːk/
Playersknockup beforebeginningagameoftennisorsimilarsportbyhittingtheballto each other:
(网球等运动中)赛前练习,赛前试打Theplayershave acoupleofminutestoknockup before thematchstarts.开赛前运动员有几分钟时间练球。
Tennis & racket sports
- advantage
- backhand
- badminton
- ball boy
- ball girl
- baseline
- bird
- break
- break point
- code violation
- court
- double
- double fault
- groundstroke
- overhead
- shuttlecock
- squash
- tramlines
- unseeded
- volley