A friend recently asked me if I wanted to join a project he was working on. He ended with the sentence:

Are you in?

It was a succinct way of ending and asking for an answer. It got me wondering, what would be an idiomatic translation of the expression in Korean?

2 Answers 2


Verb 끼이다

If the feelings you want the expression to have is not only just “doing the same thing” but also includes “getting in a group and going with them,” the closest one would be the one using 끼다, which is a contraction of 끼이다.

끼이다 originally means to get stuck in a crack or a narrow place. Its derived meanings are to get into a group, and to get involved in a scheme, a work, or a happening by his own will.

Note, it's not a slang, but is informal enough to sound slangy.

Possible conversations

A convo with a close friend

야, 내가 지금 프로젝트 하나 생각해 둔 게 있거든. Hey, I'm thinking of a project right now.


너도 낄래? Want to join?

To someone you would be informal to

저희가 프로젝트를 하나 생각해 둔 게 있거든요. We're thinking of a project.


선배도 끼실래요? You want to join, senpai?

A polite suggestion to a stranger or an acquaintance

저희가 프로젝트를 하나 생각해 둔 게 있거든요. We're thinking of a project.


괜찮으시다면 같이 하시겠어요? Will you work with us, if you don't mind?

I don't know much about nuances of English expressions, so sorry for that.

  • Great answer, thanks!
    – vievievie
    Jul 5, 2020 at 2:38

In dictionary style Korean it's 너도 할 것이니? but usually 너도 할 거야? is used and it doesn't have any grammar problem and 너 낄 거냐? is okay with friends.

  • "Are you in?" carries the weight of asking for a commitment. I wonder if 너도 할것이니? does too? Or is it that more just like saying "Are you also going to do it?" in casual speech between friends?
    – vievievie
    Sep 3, 2018 at 6:05

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