or
- conj.（用以引出另一种可能性）或，或者，还是;（用于含否定意思的动词后）也不，也不是，也没有;（用于警告或忠告）否则，不然;（用于两个数字之间表示约略数目）大约;（用于引出解释性词语）或者说;（用于说明原因）不然，否则;（用于引出对比的概念）;即，那就是，或者说;<诗>不是
- n.（纹章学用语）金色，金;<计>或（一种逻辑运算符）
- adj.（纹章学用语）金色的，金的
- prep.<古><方>在…以前
orconj.
（用以引出另一种可能性）或，或者，还是
used to introduce another possibility
Is your sister older or younger than you?
你的姐妹比你大还是小？
Are you coming or not?
你来还是不来？
Is it a boy or a girl?
是个男孩还是女孩？
It can be black, white or grey.
它可能是黑的、白的或灰的。
（用于否定句，提出两种或多种事物时）也不
used in negative sentences when mentioning two or more things
He can't read or write.
他不会读，不会写。
There are people without homes, jobs or family.
有人既无房屋，又无工作，又无家庭。
（用于警告或忠告）否则，不然
used to warn or advise sb that sth bad could happen; otherwise
Turn the heat down or it'll burn.
把炉火开小一些，不然就烧焦了。
（用于两个数字之间表示约略数目）大约
used between two numbers to show approximately how many
There were six or seven of us there.
我们约有六、七个人在场。
（用于引出解释性词语）或者说
used to introduce a word or phrase that explains or means the same as another
geology, or the science of the earth's crust
地质学，或者说地壳的科学
It weighs a kilo, or just over two pounds.
这东西重一公斤，或者说两磅多一点儿。
（用于说明原因）不然，否则
used to say why sth must be true
He must like her, or he wouldn't keep calling her.
他一定喜欢她，不然他不会老给她打电话。
（用于引出对比的概念）
used to introduce a contrasting idea
He was lying─or was he?
他在说谎，还是没有说谎？
about
这大约要花100欧元。
It'll cost €100 or so.
used when you are not exactly sure about a person, thing or place
他是工厂监督一类的人吧。
He's a factory supervisor or something.
‘Who said so?’ ‘Oh, somebody or other. I can't remember who it was.’
“这是谁说的？”“啊，某一个人吧，我记不清是谁了。”
or
-
1
CONJ-COORD （连接两个或两个以上选择的可能性）或，或者，还是
You use or to link two or more alternatives.'Tea or coffee?' John asked...
“喝茶还是喝咖啡？”约翰问道。
-
2
CONJ-COORD （与 either 或 whether 连用，给出另一个选择项）或，还是，就是
You use or to give another alternative, when the first alternative is introduced by 'either' or 'whether'.Items like bread, milk and meat were either unavailable or could be obtained only on the black market...
像面包、牛奶和肉之类的东西要么是买不到，要么就是只能去黑市买。
-
3
neither 之后不用 or 而用 nor：He speaks neither English nor German（他既不会说英语也不会说德语）。
Y -
4
CONJ-COORD （用于两个数字之间表示概数）或，大约
You use or between two numbers to indicate that you are giving an approximate amount.Everyone benefited from limiting their intake of tea to just three or four cups a day...
每天只喝三四杯茶对身体有益。
-
5
CONJ-COORD （用于对刚说过的话进行更正或补充）或者说
You use or to introduce a comment which corrects or modifies what you have just said.The man was a fool, he thought, or at least incompetent...
他想道，那人是个傻瓜，或者说，至少很无能。
-
6
CONJ-COORD （用于警告）否则，要不然
If you say that someone should do something or something unpleasant will happen, you are warning them that if they do not do it, the unpleasant thing will happen.She had to have the operation, or she would die.
她必须动手术，要不然就没命了。
-
7
CONJ-COORD （用于证明刚刚所作陈述的真实性）否则，要不然
You use or to introduce something which is evidence for the truth of a statement you have just made.He must have thought Jane was worth it or he wouldn't have wasted time on her, I suppose.
我想，他一定认为简值得他这么做，否则他不会在她身上浪费时间。
-
8
PHRASE （表示某事物对即将发生的事没有影响）不管是不是…
You use or no or or not to emphasize that a particular thing makes no difference to what is going to happen.Chairman or no, if I want to stop the project, I can...
不管我是不是主席，只要我想停止这个项目，我就能做到。
-
9
PHRASE （用于重复的同一名词之间，表示某事物是否真实对情形没有影响）不管是否有…，无论有没有…
You use or no between two occurrences of the same noun in order to say that whether something is true or not makes no difference to a situation.The next day, rain or no rain, it was business as usual...
第二天是否下雨都没有差别，一切照常进行。
-
10
or else→ see:else
noun
-
1
- a room in a hospital equipped for the performance of surgical operations
- great care is taken to keep the operating rooms aseptic
- Synonym: operating room operating theater operating theatre surgery
-
2
- a state in northwestern United States on the Pacific
- Synonym: Oregon Beaver State
数据来源：WordNet
-
Children usually transfer to secondary school at 11 or 12 .
儿童通常在11或12岁时升读中学。
-
She told me to get out ─ or words to that effect .
她叫我滚开——或说了类似的话。
-
We 've had one or two problems ─ nothing serious .
我们有一些问题，不过没什么大不了的。
-
I generally get what I want one way or another .
我一般总能想方设法得到我想要的东西。
-
Well ? Are you going to tell us or not ?
嗯？你想不想告诉我们？
-
Do you want one or two ?
你要一个还是两个？
-
The operation could prolong his life by two or three years .
这次手术可使他多活两三年。
-
She always had one or two students boarding with her .
她的家总有一两名寄宿学生。
-
How much will it cost , more or less ?
这个大概得花多少钱？
-
Is this a social visit , or is it business ?
这是社交性的拜访，还是业务性的？
-
I could come next week , or the week after .
我可能下周来，或者再下一周。
-
Do you want the good news or the bad news first ?
你是想先听好消息还是坏消息？
-
What difference will it make if he knows or not ?
他知不知道有什么关系吗？
-
Somehow or other I must get a new job .
我必须想方设法找份新工作。
-
Students have little or no choice in the matter .
学生在这个问题上很少有或没有选择余地。
-
I was determined to go , come hell or high water .
我决心要去，无论有什么困难。
-
The committee has little or no understanding of the problem .
委员会对这个问题了解不多或根本不了解。
-
You can back up another two feet or so .
你可以再退两英尺左右。
-
Is that a single or a double you want ?
你要的是单人房间还是双人房间？
-
May I borrow it for a day or two ?
这个我可以借用一两天吗？
-
It 'll cost € 100 or so .
这大约要花100欧元。
-
I need a simple yes or no to my questions .
我的问题只需要简单地回答是或不是。
-
He said he didn 't have time or made some such excuse .
他说他没时间或别的诸如此类的借口。
-
Do you want a room with a bath or one without ?
你要不要带洗澡间的房间？
-
The new law will affect us all , directly or indirectly .
新的法规将直接或间接地影响我们所有的人。
-
That may or may not be true .
这可能是真的，也可能不是。
-
Shall we go for plan A or plan B ?
我们采用第一方案还是第二方案？
-
Shall we go for plan A or plan B ?
我们选用第一方案还是第二方案？
-
Is the property or any part thereof used for commercial activity ?
这一房产或其中任何部分有用于商业活动吗？
-
He told me to leave ─ or words to that effect .
他叫我离开，或诸如此类的话。
用于表示否定条件，指如果不做某事，就会发生不好的事，含告诫、威胁之意，语气强于 or。
Do it now, otherwise you'll be fired.
现在就做，否则就解雇你。
Hands up, otherwise you will be shot.
举起手来，否则就毙了你。
Put your coat on, otherwise you'll catch a cold.
穿上外套，不然你会感冒的。
词义同 otherwise，但语气较弱，多用于口语，也可与 else 合用。
Get away, or (else) I'll call the cops.
滚开，不然我就打电话叫警察了。
Hurry up or (else) we'll be late.
抓紧时间，不然的话我们就要迟到了。
- 习语