偶尔 off and on 断断续续,间歇地 off duty 下班 on a large/small scale 大/小规模地 on account of 由于 on(an/the) average 平均,通常 on behalf of 代表 on board 在船(车/飞机)上 on business 因公 on condition that 如果 on duty 上班,值班 on earth 究竟,到底 on fire 起火着火 on foot 步行, on guard 站岗,值班 on hand 在场,在手边 on occasion(s) 有时,间或 on one's own 独立,独自 on purpose 故意地 on sale 出售,廉价出售 on schedule 按时间表,准时 on second thoughts 经重新考虑 on the contrary 正相反 on the grounds of 根据,以...为由 on (the) one hand 一方面 on the other hand 另一方面 on the point of 即将...的时刻 on the road 在旅途中 on the side 作为兼职/副 业 on the spot 在场;马上 on the whole 总的来说,大体上 on time 准时 once again 再一次 once(and)for all 一劳永逸地 once in a while 偶尔 once more 再一次 once upon a time 从前 one another 相互 or else 否则,要不然 or so 大约,左右 other than 非;除了 out of 从...中;由于;缺乏 out of breath 喘不过气来 out of control 失去控制 out of date 过时的 out of doors 在户外 out of order 出故障的 out of place 不适当的 out of practice 久不练习,荒疏 out of sight 看不见,在视野外 out of the question 毫无可能的 out of touch 不联系,不接触 over and over(again) 一再地,再三地 prior at 在...之前 quite a few 相当多,不少 rather than 不是...(而是) regardless of 不顾,不惜 right away 立即,马上 side by side 肩并肩,一起 so far 迄今为止 sooner or later 迟早,早晚 step by step 逐步地 such as 例如,诸如 thanks to 由于,多亏 that is (to say) 就是说,即 to the point 切中要害,切题 under control 处于控制之下 under the circumstances 这种情况下 up to date 在进行中 up to 多达;直到;胜任;取决于 what if 切合目前情况的 what about 怎么样 with respect to 如果...将怎么样 with regard to 关于,至于 without question 关于,至于, with the exception of 除...之外 without question 毫无疑问
word for word 逐字的 Pull yourself together. 振作起来。 2. Keep your chin up. 别灰心。 3. Don't let it get you down. It will be over with soon. 别为此烦恼。事情很快就会过去的。 4. Don't be so miserable! 别这愁眉苦脸的。 5. Cheer up! things will work out for the best. 高兴点儿。事情会有好结果的。 6. Take heart- we'll find a way out. 振作起来，我们会有办法的。 7. Keep trying! Don't give up the ship. 继续努力! 别轻易放弃! 8. Loosen up! It's not worth getting upset about. 放松点儿！不值得为这件事苦恼。 9. Hang in there. Things will get better. 坚持住，情况会好起来。 10. Keep smiling! things will calm down. 乐观一点，事情会平息下来的。 11. It's not as bad as all that. 事情没有那么糟。 12. Things are never as bad as they seem. 事情往往不像看上去的那么糟。 13. Win a few, lose a few. That's life. 有得也有失，生活就是如此。 14. Let's look on the bright side. 我们来看看它好的一面。 15. Every cloud has a silver lining. 再黑暗的地方也有一线on one's shoulders：光明。 自以为重任在肩。） 16. When god closes a door, he opens a window. 山不转水转。 17. Tomorrow is another day. 有明天就有希望。 18. Stop carrying the weight of the world on your shoulders. 别太操心了，没有你地球照样转。（carry the weight of the world