(
课件网) 1. violent 猛烈的；激烈的；暴力的 Some young people are involved in violent crime. Whatever happens, we will never use violence. violence n.暴力，猛烈 violently adv. 激烈地，粗暴地 Unit 4 2. in time 及时；最后 They were just in time for the bus. They were just in time to catch the bus. You’ll succeed in time. on time 按时，准时 He will come on time even though it rains. some time 一些时间 at times 时常 kill time 消磨时间 behind time 落后 all the time 一直 at a time 一次 at this time 这时 at that time 那时 in time of 在....的时候 at the same time 同时 in no time 立刻 in the daytime 在白天 at one time 曾经；一度 for the first time 第一次 from time to time 不时地 time and again 反复地， time的短语 3. unlike prep. 不同；不像 Unlike her brother, she is diligent. unlike (反义词)-- like (喜欢) -- likely Sb/It is likely to do sth. alike adj./adv. 同样地 like（像） dislike (不喜欢) adj. 可能的 4. harmful adj. 有害的 harm n./ v. 损害，伤害 harmless adj.无害的 Your smoking can be harmful to the health of your children. do harm/good to= do sb harm/good The medicine is harmful to children but does no harm to adults. There is no harm in doing sth 5. exist vi. 存在，有 existence n. 存在；生存 exist in 存在于 exist on 靠…生存 Nothing exists on the moon as there is no water and no air. There two huge stone lions at our school company. come into existence 开始存在； come into being exist 6. in one’s turn 轮到某人；接着 When it is in my turn, I am too excited to speak. It’s one’s turn to do sth. 轮到/该某人做某事 take turns to do sth in turn 依次；反之，转而 by turns 轮流；交替地 7. prevent/ keep/ stop sb. from doing sth. 阻止某人做某事 What can we do to prevent/stop this disease (from) spreading We must prevent the water from (pollute). 在被动语态中，from不可省略。 保护…不受… protect/defend … from… being polluted 8. block out 挡住；堵住 An ugly building blocked out the view from the window. Police blocked out the street after the explosion. block one’s way 阻碍某人的路 give out pick out make out set out work out carry out 分发 挑出；辨别出 辨别出；看出 出发；开始 解决；锻练 实施 9. crash v./n.碰撞；坠落 He experienced a serious car crash today--his car crashed into another car and let out the loud crash of breaking glass. 10. cheer (sb.) up ；感到振奋；使高兴 The crowd cheered up when they saw the team arrive. He took her to the concert to cheer her up. cheerful adj. 快乐的，高兴的 Cheers! 干杯！ 11. now (that)= since 既然，由于 Now that everybody is here, we can begin the meeting. because --as-- for（用于逗号后，解释说明） It must have rained last nignt, for the ground is wet. in that (不位于句首) She was fortunate in that she had friends to help her. 表示原因的连词：seeing(that)/given(that)/considering(that)鉴于; 考虑到 Seeing (that) he is ill, he is unlikely to come. Given/Considering their inexperience/ that they are inexperienced，they’ve done a good job. 12. get the hang of 得知 ... ... ...
