關心天氣冷的小語可以採用以下英文形式：
1. "It's cold out there. Be sure to wear enough layers and layer appropriately to stay warm."
2. "You'll be fine as long as you bundle up. Stay warm."
3. "Be sure to bring a sweater or jacket with you today. It's chilly out there."
4. "I hope you're staying warm enough. It's cold outside."
5. "Make sure you're wearing something warm today, it's really cold out there."
這些句子都可以表達出關心天氣冷的天氣情況，提醒人們保暖，以溫暖的語言鼓勵人們注意天氣冷帶來的寒冷感覺。當然，您也可以根據具體情境進行適當調整。