conjunctions: 可是 kě shì,然而 rán ér,不过 bú guò
conjunctive: 却 què
我想去参加音乐会,可是没有票。
Wǒ xiǎng qù cān jiā yīn lè huì ,kě shì méi yǒu piào 。
I wanted/want to go to the concert, but I didn’t/don’t have a ticket.
我们两个人性格很不一样,可是仍然相处得很好。
Wǒ men liǎng gè rén xìng gé hěn bú yī yàng ,kě shì réng rán xiàng chù dé hěn hǎo 。
We are very different but we still get along.
(lit. We two have very different personalities, but we still get along very well.)
他失败多次,然而并不灰心。
Tā shī bài duō cì, rán ér bìng bú huī xīn。
He failed many times, yet he certainly did not lose hope.
我会说英文,不过我懂的词不多。
Wǒ huì shuō yīng wén ,bú guò wǒ dǒng de cí bú duō 。
I can speak English but I don’t know many words.
这件事很重要,我却把它忘了。
Zhè jiàn shì hěn zhòng yào ,wǒ què bǎ tā wàng le 。
This (matter) is really important, but I forgot all about it.
[1] Yip, P. C., Rimmington, D., Xiaoming, Z., & Henson, R. (2009). Basic Chinese: a grammar and workbook. Taylor & Francis.