冷了

has gotten cold

→ 冷
phrase Uncommon #8,263
has gotten cold Describes something becoming or being cold; 了 marks a change of state or a newly relevant condition.
CH: 外面冷了,我们进去吧。
EN: It’s gotten cold outside; let’s go in.

冬天到了,天气变冷了。

Winter has arrived, and the weather has gotten colder.

这样夜里就不会冷了

That way, it won’t be cold at night.

— 绝境盟约 (2023)

天气冷了。

The weather has gotten cold.

茶都冷了

The tea has gone cold.

— 烈日灼人 (1994)

在它变冷了之前,快吃吧。

Eat it quickly before it gets cold.

— 隐藏摄像机 (2005)

他不再觉得冷了

He no longer feels cold.

— 绝境盟约 (2023)

让我试试解吃完才解吧,菜冷了

Let me try. Let’s finish eating before we figure it out—the food’s getting cold.

— 美丽人生 (1997)

天也冷了

The weather has gotten cold too.

— 洗澡 (1999)

越来越冷了

It's getting colder and colder.

— 泰坦尼克号 (1997)