on

prep

• ①[表支持、接触、附属]在…上,盖着,属于
  • I have no money on me.我身上没有带钱。
  • There's a letter on the desk.桌上有一封信。
  • There are boats on the river.河上有一些船。
  • He worked on a farm.他在一个农场工作。
  • I met her on the street.我在街上遇到她。
  • crawl on hands and knees [on all fours]匍匐而行
  • My dog is on a chain.我的狗拴着链子。
  • There's a fly on the ceiling.天花板上有一只苍蝇。
  • He put a bell on the cat.他把铃系在猫身上。

• ②[表动作的方向]1向…;朝着…2[表不利]对…
  • He hit me on the head.他打我的头。
  • march on Paris向巴黎前进
  • go [start, set out] on a trip出发旅行
  • turn one's back on ...背向…;背弃…
  • leave a card on a person留名片给某人
  • trespass on a person's kindness叨扰某人
  • The storm was on them.他们碰上了暴风雨。
  • Once again Christmas is on us.圣诞节又接近了。
  • The joke was on him.那个玩笑是对着他开的。
  • The light went out on us.使我们感到困扰的是电灯熄灭了。
  • She hung up on him.她冲着他挂断电话。
  • Tom walked out on his wife.汤姆离弃了太太。

• ③[表关系、从事、影响]关于…;影响到…;从事…
  • Write a critical essay on Hemingway.写一篇有关海明威的评论文。
  • a book on geography地理书
  • keen on ...热心于…
  • take notes on a lecture给演讲做笔记
  • He is on the committee.他是委员会的一员。
  • The police are on a murder case.警方在办一件谋杀案。
  • go on an errand出差,跑差事
  • on business因商务,有事
  • on one's [the] way home [to school]在回家[上学]的途中
  • I congratulate you on your victory.我恭喜你胜利。
  • You have no compassion on me.你对我没有怜悯之意。
  • The heat told on her.她中了暑。

• ④[表接近、方向]接近;沿…,向…
  • a house on the lake湖畔的房子
  • the countries on the Pacific太平洋沿岸的国家
  • On my left was a pond.在我左边是一个池塘。

• ⑤[表基础、原因、理由等]依据…,照…,靠…,由于…
  • act on a plan照计划行动
  • Sheep live [feed] on grass.羊以草为食。
  • The movie is based on the novel.那部电影是根据那本小说(拍)的。
  • on equal terms以平等的条件
  • on condition that ...条件为…
  • On what ground ...?凭什么理由…?

• ⑥[表日、时]在…;和…同时;一…就
  • on Sunday在星期日
  • on July 4=on the 4th of July在七月四日
  • on and after the 10th在十号以后
  • on the morning of July 4在七月四日早上
  • on that evening在那个晚上
  • on a rainy day在一个下雨的日子
  • on arrival在到达的时候
  • On arriving in Taipei, I called him up on the phone.到了台北,我就打电话给他。

• ⑦[表方法、状态]
  • His car runs on electricity.他的车子以电推动。
  • They completed the project on budget.他们按预算完成那项计划。
  • on the quiet秘密地,偷偷地
  • on fire燃烧着,着火
  • on strike在罢工中
  • on the move动着,在进展
  • a bird on the wing飞行中的鸟

• ⑧[表手段、器具]藉…,由…,从…
  • She cut her finger on a knife.她的手指受了刀伤。
  • drunk on wine喝醉
  • She played a piece of music on the piano.她以钢琴弹奏了一首曲子。
  • I heard the news on the radio.我在收音机上听到那消息。
  • I saw him on television.我在电视上看到他。

• ⑨[表累积、添加]加上
  • millions on millions (of stars)千百万(的星星)
  • loss on loss一再的损失

• ⑩ 【口】由…支付,归…负担
  • Dinner is on me.餐费由我付。
  • The drinks were always on him.酒钱总是由他付。

• ⑪ 1接受(药物治疗等)2常用(麻醉药等)
  • She's on medication.她在接受药物治疗。
  • go on a diet开始作饮食疗法;开始节食
  • She's on drugs.她吸毒[她有毒瘾]。
  • She's on pills of various kinds.她常服用各种药丸。