??他正在找他的书。 3. Take part in: 参加（谈论，游行，竞赛，庆祝，战争…） How many countries will take part in the World Cup? 有多少个国家会参加世界杯？ 4. Join in : 参加（正在进行的竞赛，文娱，说话等活动） Would you like to join in the sports meeting ? 你想参加运动会吗？ 第34课 1. Give up: 扔掉 You should give up smoking. 你大约戒烟。 2. Give away: 赠送;捐赠; You give away not only money , but also love 你捐出的不只是钱，而且是爱 3. Give in: 屈从;让步（不及物动词短语，向或人屈从需要运用介词to） Finally, he gave in to his wife. 他究竟向老婆做出了让步。 第35课 1. No long = not any longer : 不再 He doesn't live here any longer. He no longer lives here. 他不再居住在这了。 2. Be known as: 被我们公认为…;被称为;;以…而出名 My hometown is known as a land of fruit. 我的家乡以生果之乡而出名。 3. Even if : 尽管，即便，即便 Even if you can`t finish it, others can go on. 即便你无法结束，别人也可以持续做。 He won`t give up the experiment even if he has failed. 即便现已失利了，他也不愿意扔掉实验。 第36课 1. Fill…with…: 使充溢 He fills the cup with water every day. 他每天把杯子装满水。 2. Be filled with: 装满 The cup is filled with water. 杯子中装满了水。 3. Instead of : 替代 We sometimes eat rice instead of noodles. 咱们有时吃米饭而不吃面条。 第37课 1. At season: 在海上 They spent three months at sea . 他们在海上呆了三个月。 2. By see=by ship: 搭船 We will go to London by sea. 咱们将搭船去伦敦。 3. Be sure to do something: 必定会做某事 It is sure to rain. 必定会下雨。 4. Be sure of something: 必定会获取，赢得某物 You are sure of a warm welcome 你必定会遭到火热的等待。