赶不上英语怎么说

1.不管怎么努力,我都赶不上他（no matter） No matter how hard i worked,I still can't catch up with him 2.跟老师抱怨作业太多是没用的（no use） There is no use complaining to the teachers for too much homework 3.他的背受伤了,可能不能参加明天的比赛了（prevent```from```） His back injury prevented him from the match tomorrow 4.即使已经很晚了,他仍然坚持要送我回家（insist） Although it was quite late ,he still insisted on sending me home