1.on purpose 故意地,有意地,为了特定目的
例句:This is especially true here, and it was on purpose.
这一点在这里尤其准确,并且它是故意的。
2.on sale 廉价出售,出售,上帝
例句:Unusually for a video game release, there have been no reviews before it went on sale.
作为一款电玩游戏的发行,出售前居然没有评论,显然很不可思议。
3.on schedule 按时间表,及时,准时
例句:Once the program starts, the producer makes sure it stays on schedule.
一旦节目开播,制作人要确保节目按照预定时间进行。
4.on the contrary 正相反
例句:On the contrary, they protect them and help if there are any difficulties.
相反的,如果他们遇到了什么困难,警察还会保护并帮助他们。
5.on special 以特价出售
例句:I only wear a tie on special occasions.
我只在特殊场合才打领带。
6.on the basis of 在…的基础上,以…为基础
例句:We judge a worker on the basis of his performance.
我们以工作成绩作为评估一个工人的根据。
n. 预期,预料