刚才是

was it … just now? / it was … just now, just now was/did; used to emphasize or confirm what was true or what happened a moment ago

→ 刚才
phrase Uncommon #11,969
was it … just now? / it was … just now Use this construction to ask about or state who or what something was, or where or under what circumstances it happened a moment ago.
CH: 刚才是什么声音?
EN: What was that sound just now?

刚才是什么声音

What was that noise just now?

— 你的名字。 (2016)

刚才是你们最后一次说话了

That was the last time you two ever spoke.

— 月升王国 (2012)

我先从“我刚才是从哪儿来的?”

Let me start with, “Where did I just come from?”

刚才是啥声音?

What was that sound just now?

— 托尼·厄德曼 (2016)

刚才是谁来了

Who just came by?

— 龙猫 (1988)

刚才是在哪里呢?

Where were you just now?

— 小偷家族 (2018)

刚才是七原的声音吗?

Was that Nanahara’s voice just now?

— 大逃杀 (2000)

刚才是在哪?

Where were you just now?

— 小偷家族 (2018)

phrase Rare #24,494
just now was/did; used to emphasize or confirm what was true or what happened a moment ago 刚才 refers to a short time ago, and 是 introduces or emphasizes the following information. Translate naturally according to context.
CH: 不是这样的,刚才是开玩笑的。
EN: That’s not it—I was just joking a moment ago.

我们刚才是说多少?

What number did we just say?

— 趣味游戏 (1997)

我刚才是胡说八道--

I was just talking nonsense.

— 好人寥寥 (1992)

不是这样的,刚才是开玩笑的

That’s not what I meant—I was just joking.

— 托尼·厄德曼 (2016)

你刚才是点头吗

Did you just nod?

— 美食总动员 (2007)

其实刚才是我先来的

Actually, I got here first.

— Hi, Mom (2021)