天色渐暗，街灯亮了。

As the day darkened the streetlights came on.

《柯林斯英汉双解大词典》

棒球赛通常在8点或者8：30结束，那时天色渐暗。

The baseball ended about eight or eight thirty when it grew dark.

youdao

天色渐暗，咱们回家吧。

It's getting dark. Let's go home.

youdao

下雪了，天色渐暗。

It was snowing, and getting dark.

youdao

天色渐渐暗下去了，湖面上又恢复了平静。

The day turns dark slowly, and the lake returns quietly.

youdao

这时候，天色渐渐暗了，而雪也下得很大。

By this time it was getting dark and snowing pretty heavily.

youdao

天色渐渐暗了，我(现在)必须要回家了。

It is getting dark; I need to go home now.

youdao

天色渐渐暗了，我(现在)必须要回家了。

It is getting dark; I need to go home now.

youdao