however /haʊˈɛvə/ CET4 TEM4

• 1. 

  ADV You use however when you are adding a comment which is surprising or which contrasts with what has just been said. 然而 (用以引出令人吃惊或形成对比的话语) [ADV with cl]

  例：

  This was not an easy decision. It is, however, a decision that we feel is dictated by our duty.

  这可不是一个轻松的决定。不过我们觉得我们有责任做出这样的的决定。

• 2. 

  ADV You use however before an adjective or adverb to emphasize that the degree or extent of something cannot change a situation. 不管多么 (用于形容词或副词前表强调) [强调]

  例：

  You should always strive to achieve more, however well you have done before.

  不管以前做得多么好，你应该始终争取更大的进步。

  例：

  However hard she tried, nothing seemed to work.

  无论她多么努力，好像都无济于事。

• 3. 

  CONJ You use however when you want to say that it makes no difference how something is done. 不管用什么方法 (用以表示没有区别)

  例：

  However we adopt healthcare reform, it isn't going to save major amounts of money.

  不管我们采取什么样的医疗改革措施，它都不会节省太多的钱。

• 4. 

  ADV You use however in expressions such as or however long it takes and or however many there were to indicate that the figure you have just mentioned may not be accurate. 无论多久 (表示刚提到的数字不一定准确); 不管多少 [含糊]

  例：

  Wait 30 to 60 minutes or however long it takes.

  等30到60分钟，或需要的不管多长的时间。

• 5. 

  QUEST You can use however to ask in an emphatic way how something has happened which you are very surprised about. Some speakers of English think that this form is incorrect and prefer to use "how ever." 究竟如何 [强调]

  例：

  However did you find this place in such weather?

  在这样的天气里你究竟是怎么找到这个地方的？