和心爱的人做蓝颜有多心酸
        
            [hé xīn ài de rén zuò lán yán yŏu duō xīn suān]
        
        
            'How bitter it is to be just friends (blue eyes) with someone you love.' 'Blue-eyed friend' refers to close friendships between opposite sexes in East Asian cultures where the term suggests romantic feelings are unreciprocated