How to name the cold word?

Cold car

neutral

Cold flower night

Cold ghost dust

Lengqixuan

Leng Qiyuan

Leng Chen Xi

Leng Yizhen

Lengmoxuan

Lengqianchang

Lengliyun

Leng Zhuofan is an unusual word. I really don't know how to define it. My mind is bursting with thoughts.