...they are not friendly and not concerned about your welfare...
a“Warm regards” is appropriate too as it indicates friendliness and wanting the best for another person. If someone is cold towards you they are not friendly and not concerned about your welfare. 因为它表明友善和想要最佳为另一个人, “热情的问候”太是适当的。 如果某人是冷的往您他们不是友好...