词汇和短语

colleague/co-worker/workmate/classmate/roommate
decrease/reduce/fall/fail/break down/decline
increase/enhance/enlarge/improve/make progress
never/seldom/sometime/often/always
accept/agree/approve/admit
refuse/reject/disagree
it matter to me/significant/important/strong/useful/helpful
it's none of your bussiness/weak/unimportant/useless/helpless
suggest/should/ought to/might want to /how about
stressed/relaxed
quarrel/conflict/Arguement
chance/opportunty
check in/check out 登记 退宿
pick on 为难
raise concern/be worried about/be anxious about
up in the air
pro and cons
be familiar to
take effect/take for granted/take turn/take over
instead of/rather than