想法很单纯
xiǎngfǎ hěn dānchún
The idea is very simple
生活很单纯
shēnghuó hěn dānchún
Life is simple
单纯为了工作
dānchún wèile gōngzuò
Only for work
动机很单纯
dòngjī hěn dānchún
The motive is pure
