十八岁的心太薄太轻
[shí bā suì de xīn tài bó tài qīng]
'十八岁的心太薄太轻' translates to 'The eighteen-year-old heart is too thin and too light,' implying immaturity or naivety at a young age. This name may lament over youthful lack of depth or express longing back to a simpler, more innocent state of mind.