凉薄少年亦凉心温柔少女亦温情
[liáng bó shăo nián yì liáng xīn wēn róu shăo nǚ yì wēn qíng]
Meaning 'the indifferent boy also has a cold heart, the gentle girl is also tender.' The dual aspects here are presenting two contrasting personalities - a cold male attitude vs warm female emotions, each character representing opposing traits yet both showing a depth of emotion, even if manifested differently