1. It's cold today.

　　今天好冷。

　　2. It's chilly today.

　　今天冷风飕飕。

　　3. It's freaking cold today!

　　今天冷死啦!

　　4. The wind really chills me to the bone. / The wind is bone-chilling.

　　这寒风真是刺骨。

　　5. I'm frozen / stiff.

　　我简直冻僵了。

　　6. The wind just cuts right through you.

　　风简直是直接穿过身体。

　　7. It's freezing!

　　好冷!

　　8. I can't stop shivering from the cold.

　　我冷得不停打哆嗦。

　　9. This cold front is taking its toll!

　　寒流正在发威呢!

　　10. Now it feels more like winter, doesn't it?

　　现在感觉比较像冬天了吧?