凉人凉心凉面孔陌人陌路陌回首
[liáng rén liáng xīn liáng miàn kŏng mò rén mò lù mò huí shŏu]
'Cool person, cool heart, cold face; stranger on a strange path, looking back like a stranger' implies feeling alienated or indifferent from others, symbolizing emotional estrangement and an unwillingness to engage deeply with others. The word for cool/strange carries connotations of coldness here.