バレたら

if it gets found out, if it gets exposed

→ バレる
バレ be found out, be exposed + たら Conditional (“if/when”)
verb · informal Rare #33,663
if it gets found out, if it gets exposed Colloquial.
JA: 秘密がバレたら困る。
EN: It would be a problem if the secret got out.
Conjugation of バレる
Conditional
バレたら

俺らが指輪を持ってると思ってるんだ持ってないとバレたら終わりだぞ

They think we've got the ring. If they find out we don't, we're finished.

— ロード・オブ・ザ・リング/二つの塔 (2002)

バレたらどうする?

What will you do if they find out?

— ブゴニア (2025)

バレたらそう言うつもりだろ?

That's what you plan to say if you get caught, right?

— マルコムX (1992)

まだ居るとバレたら大変だ

It’ll be a disaster if they find out I’m still here.

— 荒野の用心棒 (1964)

正体バレたらどうすんの!

What are you going to do if they find out who you really are?

— Cosmic Princess Kaguya! (2026)

お前、彼女に本当のことがバレたらヤバいことになるよ。

You’re going to be in serious trouble if she finds out the truth.