Word: 天冷 (tiānlěng)

天冷了，小鸡都向母鸡靠拢。

Tiānlěng le, xiǎojī dōu xiàng mǔjī kàolǒng.

It got cold, so the chicks all huddled close to the hen.

天冷了，把外套扣上吧。

Tiānlěng le, bǎ wàitào kòu shàng ba.

It's cold, so button up your coat.

天冷了，请你多多珍重。

Tiānlěng le, qǐng nǐ duōduō zhēnzhòng.

It's getting cold, so please take good care of yourself.

天冷时，人易于感冒。

Tiānlěng shí, rén yìyú gǎnmào.

When it's cold, people catch colds easily.