1234大兄弟
“虽然??但是??”表示转折关系。
转折，表示某个事物的转变，变化。强调变化后的状态。
例句：
虽然我知道他在骗我，但是我还是原谅了他。
虽然这样做不妥当，但是我也没有办法。
虽然我考了一百分，但是我还是不能骄傲。
相关关联词：
可是、但是、尽管??还、 虽然(虽是、说、尽管、固然)??但是(但、可是、然而、却) 、却、不过、然而、只是 、尽管??可是??、虽然??但是??、??却??、毕竟??然而??
英语中常见的转折词为：but, while, although、yet, however; nevertheless等。
1、but
英 [bət] 美 [bʌt,bət]
conj.但是;而是;除了;只因为
prep.除?以外
adv.不过;只是;只;另一方面
n.但是;借口;推辞;反对
pron.[关系代词，意义相当于 who?not, which?not]
vt.对?说“但是”
Please excuse me, but there is something I must say
不好意思，但有些话我必须说。
2、although
英 [ɔ:lˈðəu] 美 [ɔlˈðo]
conj.虽然;尽管;但是;然而
Although I was only six, I can remember seeing it on TV
虽然那时我只有6岁，我依然记得在电视上见过它。
3、however
英 [haʊˈevə(r)] 美 [haʊˈevɚ]
adv.然而;可是;无论如何;不管到什么程度
conj.不管怎样
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。
参考资料：百度百科-转折
suibianlaidian
转折，重点的转变瞬间。下面就由我为大家带来英语短语集锦，希望大家能有所收获。
关于转折相关短语
转折电压 breakover voltage
转折关系 turning relation
天堂转折 HellBent
大转折 big deflection
向下转折 turn down
转折语 transitional devices
转折假说 Transformation Hypothesis
转折词语 transitional words and expressions
转折Break over
转折 even though
表转折关系的连接词
but ,
however,
yet,
and yet,
while，
in fact，
nevertheless， traditionally，
generally
today
nowadays
though，
although，
even though， even if，
far from it，
ironically(讽刺的)， on the contrary, on the other hand,
at the same time(然而) commonly
fortunately
whereas
even so
rather
luckily
by(in) contrast,
on the other hand,
in comparison,
conversely
on the contrary,
instead
否定也是转折:否定后看下一句的肯定。
英语写作中常见的“转折”小结
(1)一般意义上的“转折”：but, yet, however, nevertheless(然而，不过)(nonetheless(尽管如此，但是)), though
首先，我们要注意以上四个词当表达“转折”时的词性不同。But, yet是连词，however, nevertheless(nonetheless)和though是副词。 其次，这四个词的用法和表意也是有差别的。But和yet是连词，因此其用法应该是：
however和nevertheless(nonetheless)是副词，因此其用法应该是：而though虽然是副词，不过though的用法却是常置于句末，即A句.B句,though. 如：
1. The return is uncertain, but/yet the investment is worth a try.
2. The return is uncertain. However, the investment is worth a try.
3. Nevertheless, the investment is worth a try.
4. Nonetheless, the investment is worth a try.
5. The return is uncertain. The investment is worth a try, though.
(2)表示“对比”含义的“转折”：
①while, whereas
②by(in) contrast, on the other hand, in comparison, conversely
首先，第①组的两个词都是连词，表示含有“对比”的转折。其用法应该是：A句，while/ 如：
American consumers prefer white eggs, while/ whereas British buyers like brown eggs. 其次，第②组短语或词都是副词性的(短语是副词性短语)，表示含有“对比”的转折。其用法应该是： 如：
1. American consumers prefer white eggs. Conversely, British buyers like brown eggs.
2. American consumers prefer white eggs. By(In) contrast, British buyers like brown eggs.
3. American consumers prefer white eggs. On the other hand, British buyers like brown eggs.
4. American consumers prefer white eggs. In comparison, British buyers like brown eggs. 可见，上面“对比”的含义是两个事物在一个方面上的对比。
(3)表示“相反”含义的“转折”：on the contrary, instead
以上的短语或词都是副词性的，表示含有“相反”的转折。其用法应该是： 如：
1. He isn’t poor. On the contrary, he is a millionaire.
2. Instead, he is a millionaire.
显然，上面所说的“相反”的含义是一个事物的两个相反的方面。
李小姐梦游记
一、连词有下列几类：
〔并列连词〕
*等立连词，如 and, not only ... but also
*转折连词，如 but, yet
*选择连词，如 or, nor, either ... or, neither ... nor
〔从属连词〕
*引导名词从句，如 that, whether, if
*引导状语从句，如 before，after，since，if，because，though
二、表示转折关系的有下列几类：
*连词，如 but, while, although 等
*副词，如 yet, however; nevertheless, whereas, instead 等
表转折关系的连接词：
though，although，nevertheless，even though，even if，while，in fact，far from it，ironically（讽刺的），traditionally，yet, and yet, but , while, on the contrary, on the other hand, however, at the same time（然而）等
but是连词，表示（较强的）转折，连接两个句子时只用加逗号。例如：I love her, but she doesn't love me.
however是副词，也表示（较强的)转折,但连接两个句子时要用分号，而且在这个词后还要加逗号。例如：I love her; however, she doesn't love me.或者将两句子分开写。例如：I love her. However, she doesn't love me.
while作连词使用时，表示（较弱的）转折，连接两个句子时用逗号，但两个句子的主语不一样。例如:I like singing, while my sister likes dancing.
yet作连词使用时，也表示（较弱的）转折，连接两个句子时也用逗号，但两个句子的主语是一样的。例如：He has a good job, yet he never seems o have any money.
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