on schedule按时间表,准时 tight schedule排得紧紧的时间表 to schedule[美]按照预定时间 bus schedule公共汽车时刻表 class schedule功课表,课表 train schedule列车明细表 4. if not for: if it werent/hadnt been for were it not for/had it not been for S 是 If not for my brothers help, I would not have finished The earth would be a frozen ball if not for the rad iant heat of the sun 5. introduce sb. to sth.: lead sb. to know sth.使某人了解某物 was first introduced to university politics on a most unfortunate occasion I shall always be grateful to my former teacher for introducing me to the study of language 6. go back to: return to( an earlier point in space or time)回溯,追溯 Can i go back to what you said at the beginning of the meeting? We must go back to the Middle ages to discover the origins of English plays date back to date from trace back to retrospect to 7. by far: (used to emphasize that sth. is the best or has more of a particular quality than anything else)……得多;最-……;显然 Shanghais population is greater by far than that of any other Chinese city as far as.. be concerned至于 as(so) far as one can尽力 as far as it goes就其本身而言 far and wide四面八方,到处 far from it远非如此 so far迄今为止 so far so good到目前为止一切顺利 8. In case:: because of the possibility of sth. happening免得,以防 In case he arrives before I get back, please ask him to wait You had better take your umbrella, in case it rainson schedule 按时间表, 准时 tight schedule 排得紧紧的时间表 to schedule [美]按照预定时间 bus schedule 公共汽车时刻表 class schedule 功课表, 课表 train schedule 列车明细表 4. if not for: if it weren’t/hadn’t been for; were it not for/had it not been for 要不 是 If not for my brother’s help, I would not have finished. The Earth would be a frozen ball if not for the radiant heat of the sun. 5. introduce sb. to sth. : lead sb. to know sth. 使某人了解某物 I was first introduced to university politics on a most unfortunate occasion. I shall always be grateful to my former teacher for introducing me to the study of language. 6. go back to: return to (an earlier point in space or time) 回溯，追溯 Can I go back to what you said at the beginning of the meeting? We must go back to the Middle Ages to discover the origins of English plays. date back to date from trace back to retrospect to 7. by far: (used to emphasize that sth. is the best or has more of a particular quality than anything else) ······得多；最······；显然 Shanghai’s population is greater by far than that of any other Chinese city. as far as … be concerned 至于 …… as (so) far as one can 尽力 as far as it goes 就其本身而言 far and wide 四面八方，到处 far from it 远非如此 so far 迄今为止 so far so good 到目前为止一切顺利 8. in case: because of the possibility of sth. happening 免得，以防 In case he arrives before I get back, please ask him to wait. You had better take your umbrella, in case it rains