他是个好男生，然而我对他没有感觉。

Tā shì gè hǎo nánshēng, rán'ér wǒ duì tā méiyǒu gǎnjué.

He is a good guy, but I am not interested in him.

他已经向她道歉了，然而她还是很生气。

Tā yǐjīng xiàng tā dàoqiàn le, rán'ér tā háishi hěn shēngqì.

He already apologized to her, but she is still very mad.

我每天都做运动，然而还是瘦不下来。

Wǒ měitiān dōu zuò yùndòng, rán'ér háishi shòu bù xiàlái.

I exercise every day, however I still can't lose weight.