If oil-producing countries all try to make up for lower oil prices by increasing output,prices can only drop even lower. 如果石油生产国都通过增加产量来弥补走低的油价，油价只会跌得更低。 preparation:n.准备 e.g.Re-entering the job market can be tough,but proper preparation might make it a whole lot easier. 重回职场不容易，不过准备充分的话就会容易许多。 be destined to:be fated to注定会：一定会 e.g.In the movie,a killer robot was sent from the future to kill a woman destined to give birth to a greathero. 影片中，来自未来的一个机器人杀手被派来杀一个女人，这个女人将生下一位盖世英雄。 There are tons of history textbooks out there.This one is destined to become a classic.I cannot recommend it enough. 坊间历史教科书多的是。这本教科书一定会成为经典。我力推这本教材 reluctant::a,unwilling不情愿的 e.g.Having seen so many marriages fail,I'mreluctant to tie the knot. 见过太多不成功的婚姻，我都不想结婚了。 hesitate:v.pause in uncertainty or unwilingness犹豫：踌躇 e.g.We'll tryour best tosave the patient,butIhesitateto saythat he'd last very long. 我们会竭尽全力抢救病人，但我不得不说，他掉不了太久了。 Embarrassment caused the speaker to hesitate. 演说者深感窘迫，变得支吾起来。 instinct:n.本能：直觉 e.g.A person came over and stood behind me.By instinct I knew it was a woman. 有人过来站在我身后。凭直觉我知道那是一个女人。 stickto:keep to坚持 e.g.It is going to be hard to stick to the schedule with this much work. 活那么多，要完全按照既定的日程会困难重重。 feel obligatedto(do sth.)feel itamustto(do sth.)觉得必须（做某事 e.g.As a historian,I feel obligated to record the facts and only facts.5 If oil-producing countries all try to make up for lower oil prices by increasing output, prices can only drop even lower. 如果石油生产国都通过增加产量来弥补走低的油价，油价只会跌得更低。 preparation: n. 准备 e.g. Re-entering the job market can be tough, but proper preparation might make it a whole lot easier. 重回职场不容易，不过准备充分的话就会容易许多。 be destined to: be fated to 注定会；一定会 e.g. In the movie, a killer robot was sent from the future to kill a woman destined to give birth to a great hero. 影片中，来自未来的一个机器人杀手被派来杀一个女人，这个女人将生下一位盖世英雄。 There are tons of history textbooks out there. This one is destined to become a classic. I cannot recommend it enough. 坊间历史教科书多的是。这本教科书一定会成为经典。我力推这本教材。 reluctant: a. unwilling 不情愿的 e.g. Having seen so many marriages fail, I’m reluctant to tie the knot. 见过太多不成功的婚姻，我都不想结婚了。 hesitate: v. pause in uncertainty or unwillingness 犹豫；踌躇 e.g. We’ll try our best to save the patient, but I hesitate to say that he’d last very long. 我们会竭尽全力抢救病人，但我不得不说，他撑不了太久了。 Embarrassment caused the speaker to hesitate. 演说者深感窘迫，变得支吾起来。 instinct: n. 本能；直觉 e.g. A person came over and stood behind me. By instinct I knew it was a woman. 有人过来站在我身后。凭直觉我知道那是一个女人。 stick to: keep to 坚持 e.g. It is going to be hard to stick to the schedule with this much work. 活那么多，要完全按照既定的日程会困难重重。 feel obligated to (do sth.): feel it a must to (do sth.) 觉得必须（做某事） e.g. As a historian, I feel obligated to record the facts and only facts