良心良心凉的是心凉晴凉晴凉的是情
[liáng xīn liáng xīn liáng de shì xīn liáng qíng liáng qíng liáng de shì qíng]
Good Conscience is Cool; Cold Emotions. The phrase suggests an inner conflict where doing what's right ('good conscience') leads to cooling of emotions or relationships due to its emotional chill.