Learner's definition of ODDS
[plural]
1
: the possibility that something will happen : the chance that one thing will happen instead of a different thing可能性；机会 -
She wanted to improve her odds [=chances] of winning.她想加大她获胜的可能性。
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They believe that surgery may increase his odds of survival. [=may make it more likely that he will survive]他们认为手术可以增大他活下去的可能。
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There's a chance it could rain, but odds are that it'll be sunny tomorrow. [=it is more likely to be sunny than rainy tomorrow]明天或许会下雨，但晴天的可能性更大。
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The team has made some major improvements, but they still face long odds. [=they still are not likely to win]这个队进步很大，但获胜的希望仍然很小。
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often used with the常与the连用 -
The odds are good that he'll survive. [=he is likely to survive]他很可能活下来。
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What are the odds of winning?获胜的可能性有多大？
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What are the odds that they'll be there on time?他们按时到那里的可能性有多大？
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Smoking increases the odds of getting lung cancer.吸烟会增加患肺癌的可能性。
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The odds are in our favor. [=it is likely that we will succeed]我们成功的可能性很大。
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She knew that the odds were against her. [=she knew that she was not likely to succeed]她知道她不大可能成功。
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It could rain tomorrow, but the odds are against it. [=it probably will not rain]明天可能下雨，但不下的可能性更大。
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The odds are in favor of a major storm this weekend. [=a major storm is likely this weekend]本周末可能有一场大风暴。
2
: conditions that make it difficult for something to happen困难；障碍；不利条件 -
They fought against great/heavy/impossible/overwhelming odds and won.他们克服重重困难取得了胜利。
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He was able to do it, against all odds. [=even though it was very difficult and unlikely]尽管极其困难，他还是做到了。
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often used with the常与the连用 -
They defied/overcame the odds.他们藐视/克服困难。
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Despite/against the odds, she has survived breast cancer.尽管凶多吉少，但她还是战胜乳腺癌活了下来。
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I tried to beat the odds. [=to succeed even though I was not likely to succeed]我力求成功，即使可能性不大。
3
: two numbers that show how much a person can win by betting a certain amount of money（赌博的）投注赔率 -
I bet $1,000 at 4-1 odds. If the horse I bet on wins, I will walk away with $4,000.我将1000美元压在4：1的赔率上。如果我投注的这匹马获胜，我将带走4000美元。
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winning at odds of 6-1以6：1的赔率赌赢
at odds
: not agreeing with each other : in a state of disagreement意见不一致；不和 —
often + with -
The two groups have long been at odds with each other.这两个团体长期合不来。
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He was completely at odds [=he completely disagreed] with the way the problem was being handled.他完全不同意处理这个问题的方法。
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The results of the study are at odds with our previous findings.研究的结果与我们以前调查的结果有矛盾。
make no odds
British, informal
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used to say that a choice is not important无关紧要；没关系
odds are in favor
— see 1favor
over the odds
British, informal
: more than the usual or expected amount超过预期（或通常）的数量
what's the odds?
British, informal
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used to say that something is not likely to have an effect or make a difference没用；不起作用