（与形容词或副词连用）无论到什么程度，不管多么 used with an adjective or adverb to mean ‘to whatever degree’
He wanted to take no risks, however small. 他多小的风险也不想冒。
She has the window open, however cold it is outside. 不管外面多冷她都开着窗户。
However carefully I explained, she still didn't understand. 无论我解释得多么仔细，她还是没弄懂。
不管怎样；无论如何 in whatever way
However you look at it, it's going to cost a lot. 不管你怎么看，它都要花很多钱。
然而；不过；仍然 used to introduce a statement that contrasts with sth that has just been said
He was feeling bad. He went to work, however, and tried to concentrate. 他感觉不舒服。但他仍然去上班，并且努力集中精神工作。
We thought the figures were correct. However, we have now discovered some errors. 我们原以为这些数据正确。不过我们现在发现了一些错误。
网络解释
adv. 无论如何；不管怎样（接副词或形容词）；然而；可是conj. 无论以何种方式; 不管怎样
同、反义词
同义词：
adv.
though,but,on the other hand,yet,still
反义词：
adv.
also
双语例句
The pilots, however, were not as accurate as they should be. 然而飞行员并不像他们该达到的水平那样精准。
When you come down to it, however, the basic problems of life have not changed 然而，归根结底，生活中一些基本的问题还是没有变。
However, when it comes down to somebody that they know, they have a different feeling. 然而，涉及他们认识的人，他们的感觉就不同了。
Where I part company with him, however, is over the link he forges between science and liberalism. 然而，我与他产生分歧的地方是，他把科学与自由主义联系了起来。
There is little doubt, however, that things will improve in the not too distant future 不过事情在不久的将来会有所改善，这几乎毋庸置疑。
There were, however, a number of crucial flaws in his monetary theory 但是，他的货币理论中存在若干关键性错误。
This was not an easy decision. It is, however, a decision that we feel is dictated by our duty 这很难抉择。不过，我们觉得自己有义务作出决定。
Some of the food crops failed. However, the cotton did quite well 有些粮食作物歉收。但棉花的收成仍相当不错。
Higher sales have not helped profits, however. 然而，销售量的增加并没有推动利润。
You should always strive to achieve more, however well you have done before 无论之前取得何等辉煌的成就，都应该不断努力进取。
However hard she tried, nothing seemed to work 不管她怎么努力，好像都无济于事。
There is no sunset however beautiful, no joke however funny, no movie, no meal that I can enjoy only by myself 如果我孤独一人，那么无论看到多么美丽的日落，听到多么好笑的笑话，看任何电影，品任何佳肴，我都不会有一丝感觉。
However much it hurt, he could do it. 无论有多痛，他都能做到。
However we adopt healthcare reform, it isn't going to save major amounts of money 不管我们采取何种医疗改革措施，都省不下太多钱。
Wear your hair however you want. 你想弄什么发型自己看着办。
The 20,000 or however many who come to watch would love to be out on the pitch 约两万名来看比赛的观众都希望能身处球场之上。
Wait 30 to 60 minutes or however long it takes. 等30到60分钟左右。
However did you find this place in such weather? 你到底是怎样在这样的天气里找到这个地方的？
The very best properties, however, the colonial mansions and villas, were reserved for the government. 不过，最好的地产——也就是殖民时期的宅邸和别墅——都留给了政府。
They were not finished, however, not by any means. 不过，他们并没有结束，绝对没有。
It must be noted, however, that not all British and American officers carried out orders 然而，一定要注意不是所有的英国和美国军官都执行了命令。
A further obstacle has presented itself, however. 然而，突然又出现了一个障碍。
That, however, was beyond the purview of the court; it was a diplomatic matter. 但是，那已不在法庭权限之内；那是个外交问题。
However, for many Americans today, weekend work has unfortunately become the rule rather than the exception. 然而，现在对于很多美国人来说，周末工作不幸已经成为了一种普遍情况，而非例外。
However, he underestimates the scale of the problem 然而，他低估了问题的严重性。
Any decision taken by them now, however well meant, could complicate the peace process. 现在他们作的任何一个决定，不管本意多么好，都可能使和平进程复杂化。
We can overcome any difficulty, however great. 不管多大困难，我们都能克服。
I'd like to go with you; however, my hands are full. 我很想和你一块儿去，可是我忙不过来。
However great the difficulties may be, we can overcome them. 哪怕是再大的困难我们也能克服。
They, however, maintained a distance from us. 然而他们（在思想感情上）与我们仍有距离。