| 单词 | can |
| 释义 | can2 /kan; kon; strong form: kaen; kaen/ anom fin (neg cannot /'kaenst; 'kaenat/ or can't /ka: nt US: kaent; kaent/, pt could /kad; kod; strong form: kud; kod/, neg couldn't) /'kudnt; 'kudnt/ [VP5] 1 (indicating ability or capacity to do sth) be able to; know how to: (表示做某车乏能力) 能 ,f .Can you lift this box? 你能抬起这个箱了吗? I can't get the lid off. 我打不开那盖子。 She can speak French. 她会由法语。 (Could refers to ability or capacity in past time): (could 指从前能够) She could read Latin and Greek when she was ten. 当他十岁时就能读拉丁文及希腊文。 (Could is used in if- clauses to indicate a condition, expressed or implied): (could用于假设子句中, 表示明示或暗示的条件)： Could you lift that box (ie now, if you tried)? (现在，如果你试一试)你能拿得起那只箱子吗？ Could you have lifted that box (ie if you had tried, eg yesterday)? (如果你试过的话，譬如说昨天)你能拿得起那只箱子吗? (Note that could is not used except in conditions, for an isolated achievement in past time. Instead, be able to, manage to or succeed in (doing sth)are preferred): (注意：除非用于条件中, could 不可以用来指过去的某一次成就，宜用 be able to, manage to, 或 succeed in (doing sth)): When the boat upset, they were able/managed to swim/ succeeded, in swimming to the bank (not they could swim to the bank which is incorrect 小船前覆时, 他们游泳抵达了岸上(they could swim to the bank 是错谟的)。 2 (Can is used with vv of perception in place of the simple tenses, which are less usual. Nothing is added to the meaning.): (can与感官动词连用，代替简单时式, 旦较简单时式常用。 意义上无任何差异。)： I can see a sail on the horizon. 我看到海平线上有一帆船。 I can hear people talking in the next room. 我听见隔壁房内有人谈话。 (Could is used for past time): (could 用以表明过去时间) We could hear someone singing in the bathroom. 我们听到有人在浴室唱歌。 She said she could smell something burning. 她证她闻到有东西烧着的味道。 3 (Can is used, colloquial style, to indicate permission. The use of may is more formal. In reported speech, could is used after a v in the pt. Could may also replace can in a tentative request in question form): (can用于口语中, 表示许可。用 may 比较正式。在间接敍述句法中，could 用于过去时式之动词之后。在问句中作试探性要求时，could 亦可代替 can): You can (= may) go home now. 你垣在町以回家了。 The children asked whether they could(= might) go for a swim. 孩子们问他们是否可以去游泳。 You can't travel first-class with a second-class ticket. 你不可以拿二等票坐头等位子旅行。 Put that cigarette out—ygu can't smoke near a petrol pump! 把香烟熄掉 —— 你不可以在靠近汽油泵(油用浦)处抽烟！ 4 (Can/could are used to in dicate what is possible or likely): (can或 could 用以表示可能性)： One of the prisoners escaped yesterday— he can/could may) be anywhere by now. 昨天有一个囚犯逃走了 —— 他目前可能躱在什么疝方。 (Can have is used for past time): (can have用以表示过去时间)： He's an hour late—he can have been delayed by fog, of course, that's a possibility. 他遅到了一个钟头 —— 当然，他可能是被雾所 W, 5 (Can/could in questions (and esp with whatever), where, how) indicate surprise, bewilderment, impatience, etc, according to context. The strong forms are used): (can或 could 在问句'中, 尤其与 what, whatever, where, how 连用时，表示斑奇、困惑、不耐烦等，视其上下文而定。 can 或 could 应 AM): What .can he 'mean? 他能有什么用意？ What, can We 'do about it? 我们还能有什么办法？ Where .can they have 'got to? 他们还能上哪里去？ How .can/.could you be so un'kind? 你怎能那样无情？。 6 (Can/could indicate what is considered characteristic, what sb or sth is considered capable of being or doing. Adverbials offrequency (eg at times, sometimes) often occur): (can或 could 表示被视为特性者，某人或某事物之能为。常用表示次数之副 3 司，如 at times, sometimes)： Children can sometimes be very trying. 孩子们有时非常讨厌。 It can be very cold here, even in May. 此地即使在五月里也可能非常冷。 The Bay of Biscay can be very rough at times. 比斯开湾时常风浪汹涌。 When 1 first knew her she could be very sarcastic, but she's more tolerant now. 当我第一次认识她时，她是非常尖刻的, 不过现在她是较为宽咨了。 7 (Could is used to mean Teel inclined to): (could用于指'想要'之意)： I could smack your face! 我真想卿彳尔一巴掌！ 8 (Can is used, colloquial style, with imperative force, meaning 'must'): (can用于有命令意谓的口语中，表示'必须')： Tell Mr Evans that he can come in now, Tell him to come in. 收艾文斯先生进来。 9 (Can/could are used in polite requests; cwill(3)): (can, could用于礼貌的请求)： Do you think I could leave now/Could I leave now, do you think? Please may I leave now? 请问我可以走了吗? Could you put out your cigarette, please? Please put it out. 请把你的香烟熄掉好吗？ |
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