Might is power or strength.
The might of the army could prove a decisive factor.
军队的力量最终可能成为一个决定性的因素。
with all one's might
If you do something with all your might, you do it using all your strength and energy.
She swung the hammer at his head with all her might.
她用尽全力抡起锤子砸向他的脑袋。
You use might to indicate that something will possibly happen or be true in the future, but you cannot be certain.
may
There's a report today that smoking might be banned in most buildings.
今日有报道说大多数建筑里有可能要禁止吸烟。
I might well regret it later.
我以后也许会对此很后悔。
You use might to indicate that there is a possibility that something is true, but you cannot be certain.
may
She and Robert's father had not given up hope that he might be alive.
她和罗伯特的父亲都没有放弃他可能还活着的希望。
You might be right.
你或许是对的。
You use might to indicate that something could happen or be true in particular circumstances.
could
America might sell more cars to the islands if they were made with the steering wheel on the right.
如果把方向盘装在右侧,美国有可能在这些岛屿销售更多的车辆。
You use might have with a past participle to indicate that it is possible that something happened or was true, or when giving a possible explanation for something.
I heard what might have been an explosion.
我听到的可能是爆炸的声音。
You use might have with a past participle to indicate that something was a possibility in the past, although it did not actually happen.
If she had had to give up riding she might have taken up sailing competitively.
如果当时她不得不放弃马术,她可能就已经开始参加帆船比赛了。
You use might in statements where you are accepting the truth of a situation, but contrasting it with something that is more important.
They might not have two pennies to rub together, but at least they have a kind of lifestyle that is different.
他们也许手里没有几个钱,但至少他们拥有一种与众不同的生活方式。
You use might when you are saying emphatically that someone ought to do the thing mentioned, especially when you are annoyed because they have not done it.
could
You might have told me that before!
你以前就该告诉我这件事!
You use might to make a suggestion or to give advice in a very polite way.
They might be wise to stop advertising on television.
他们可以明智些,停止在电视上做广告。
You use might as a polite way of interrupting someone, asking a question, making a request, or introducing what you are going to say next.
Might I make a suggestion?
我可以提个建议么?
Might I ask what you're doing here?
我可以问问你在这里做什么吗?
You use might in expressions such as I might have known and I might have guessed to indicate that you are not surprised at a disappointing event or fact.
I might have known I'd find you with some little slut.
我早该知道我会发现你跟某个小荡妇在一起。