除非英语com

unless 英 [ənˈles] 美 [ʌnˈlɛs]conj. 除非，如果不 prep. 除了，…除外 网 络 除非； 如果不； 假如不； 若不 1. CONJ-SUBORD 连词除非；若不；除非在…的时候 You use unless to introduce the only circumstances in which an event you are mentioning will not take place or in which a statement you are making is not true. Unless you are trying to lose weight to please yourself, it's going to be tough to keep your motivation level high... 除非减肥是为了悦已，否则很难保持积极性。We cannot understand disease unless we understand the person who has the disease... 若不了解患者我们就不能了解疾病。I'm not happy unless I ride or drive every day. 只有每天骑车或开车我才会开心。Usage Note : Do not confuse unless, except, except for, and besides. Unless is used to introduce the only situation in which something will take place or be true. In the 1940s, unless she wore gloves a woman was not properly dressed... You must not give compliments unless you mean them. You cannot use unless to talk about a situation that results from something not happening. Instead you use if...not. I'll be glad if she doesn't come. You use except to introduce the only things, situations, people, or ideas that a statement does not apply to. All of his body relaxed except his right hand... Travelling was impossible, except in the cool of the morning. You use except for before something that prevents a statement from completely true. The classrooms were silent, except for the scratching of pens on paper... I had absolutely no friends except for Tom. You use besides to introduce extra things in addition to the ones you are mentioning already. Fruit will give you, besides enjoyment, a source of vitamins. However, note that if you talk about 'the only thing' or 'the only person besides' a particular person or thing, besides means the same as 'apart from'. He was the only person besides Gertrude who talked to Guy. 不要混淆 unless，except，except for 和 besides。unless用于引出某事发生或成立所必需的条件，如：In the 1940s, unless she wore gloves a woman was not properly dressed（在20世纪40年代，女性若不戴手套就算衣着不得体），You must not give compliments unless you mean them（除非出自真心，否则不要随便恭维）。谈论由于某事未发生而导致的情形不能用unless，要用 if...not，如：I'll be glad if she doesn't come（如果她不来我会很高兴的）。except 用于引出陈述中唯一不适用的事物、情形、人或想法，如：All of his body relaxed except his right hand（除了右手以外，他全身都放松了），Travelling was impossible, except in the cool of the morning （除了在凉爽的早晨，其他时候出行都是不可能的）。except for用于引出使其陈述不能完全成立的事物，如：The classrooms were silent, except for the scratching of pens on paper（除了笔在纸上发出的沙沙声，教室一片寂静），I had absolutely no friends except for Tom（除了汤姆，我一个朋友也没有）。besides用于引出已提到事物之外的其他事物，如：Fruit will give you, besides enjoyment, a source of vitamins（水果不但好吃，而且富含维生素）。但应注意，用于谈论除某人或某物之外唯一的人或物时，besides的意思与apart from相同，如：He was the only person besides Gertrude who talked to Guy（除格特鲁德之外，他是唯一跟盖伊说话的人）。网络释义 unless 1. 除非 ...wherever－(无论在哪里)anywhere－(在…任何地方)everywhere－(到处)3)条件状语从句if－(如果)，(假如)unless－(除非)，(如果不…)，=if…not…4)原因状语从句because－(因为)，侧重从句内容、since－(由于)，(既然)，侧重主句内容、as－(由. 2. 如果不 chopstick筷子unless除非，如果不emperor皇帝 3. 假如不 we will spend our holiday in the south unless we are busy ., 假如不忙 , 我们将在南方度假. 4. 若不 unless you wear boots you may be bitted by snakes ., 若不穿靴子你可能被蛇咬. 相关词条 unless used 1. 除非使用 1. 无执照的引航员unless used 除非使用unlighted buoy 无光浮标 unless you 1. 除非你 you will forget my number unless you write it down ., 你会忘记我的电话号码 , 除非你把它写下来. 2. 如果你 you will gain flesh unless you take more exercises ., 如果你不多作运动 , 就会发胖. unless general 1. 除非共同海损 ...unless caused by …除非有……引起除非由……引起unless general 除非共同海损unless otherwise directed 除非另有指示 unless clause 1. 除非条款 unleaded gasoline 无铅汽油unless clause 除非条款unless lease 除非…租赁 1. The targets would not be achieved unless other departments showed equal commitment. 除非其他部门同样努力，否则这些目标无法达成。 2. Training is worthless unless there is proof that it works. 除非能证明训练有效，否则就是白搭。 3. The South African mailboat arrived on Friday mornings unless bad weather intervened. 除非受恶劣天气干扰，南非邮船一般在星期五上午抵达。 4. All bitches should be spayed unless being used for breeding. 除非是用作种犬，所有的母犬都应摘除卵巢。 5. I tend to forget things unless I mark them down. 除非把事情记下来，否则我常常会忘事。