蓝颜比男友暖心
[lán yán bĭ nán yŏu nuăn xīn]
Translating loosely, it would read as 'A blue face warms better than boyfriend.' A term like '蓝颜' (blue face), refers to a good-looking and reliable man who isn’t a boyfriend but provides comfort surpassing that from the actual boyfriend. It signifies a nonromantic relationship between the opposite sexes, usually highlighting profound friendship and trust