Unit 5 Travelling Abroadwords and expressions1.1.Keep it up 保持优秀成绩，继续干下去 Keepup. 坚持，维持，沿袭( 风俗传统等) keepupwith 跟上；齐头并进；了解 keepsb.up 使某人熬夜 keepon 继续 keepawayfrom 远离 keepintouchwith 与 保持联系 keepback 与 保持距离 Ifyoucouldkeepitup,youwouldbreaktheworldrecord. Keepitup!Finalvictoryisinsight. Keepitupandyouareboundtosucceed. Infaceofchallengeforthemoment,itisthemostimportanttokeepupagoodstateofhealth.2 .2.fit in 适应，合得来；找到时间做某事 Fitinwithsth.=agreewithsth. 适应 ；与 不冲突 Fitinwithsb.=Getalongwellwithsb. 与 合得来 Fitst
