① 「わからない」と言いたいときの I have no idea.
Narrator : Another day at Thelma and Shawn's office.
But today, it's unusually quiet.
A : Shawn
B : Thelma
A : Hey, Thelma.
B : The office is really quiet today.
A : Yeah, no kidding. Hey, where's David?
B : I have no idea. He didn't come in this morning.
A : That's strange.
B : I'll check his social media. Oh, my gosh!
A : What happened?
B : His wife had a baby boy this morning!
A : Aww. How cute!
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② 相手が言ったことに「マジでそうなんだよ」と言いたいときの You have no idea.
Narrator : Emily and Paul had a really fun day. But now it's getting rather late.
A : Emily
B : Paul
A : What time is it?
B : Wow, it's later than I thought!
A : Yeah! I'd better get home. Thelma will be furious with me.
B : Wow, she's really strict.
A : You have no idea.
B : You guys are like sisters.
A : Yeah. I guess she likes to look out for me.