我想是昨天晚上开始。

I believe since last night.

youdao

就前几天，天气非常闷热，昨天晚上开始就下雨了。

It's sweltering just a few days ago, it began to rain last night.

youdao

就前几天，天气非常闷热，昨天晚上开始就下雨了。

It's sweltering just a few days ago, it began to rain last night.

youdao