这个问题很单纯,答案只有一个。
zhègè wèntí hěn dānchún , dáàn zhǐyǒu yígè 。
This problem is very simple; there is only one answer.
她的态度很单纯,总是那么善良。
tāde tàidù hěn dānchún , zǒngshì nàme shànliáng 。
Her attitude is very pure; she is always so kind.
我只是单纯的想帮你,没有其他原因。
wǒ zhǐshì dānchún de xiǎng bāng nǐ , méiyǒu qítā yuányīn 。
I merely want to help you; there is no other reason.