बिना बताए

without telling anyone

→ बिना
phrase Rare #10,432
without telling anyone Used when someone does something without informing others beforehand; depending on context, it can also mean “without warning.”
HI: वह बिना बताए घर आ गया।
EN: He came home without telling anyone.

बिना बताए आने के लिए शुक्रिया, बच्चो।

Thanks for coming without letting me know, kids.

— The Boss Baby (2017)

ऐसे बिना बताए कोई छोड़ के जाता है क्या?

Does someone just leave like that without telling anyone?

— Darlings (2022)

सॉरी, मैं बिना बताए आ गया।

Sorry, I showed up without letting you know.

— AK vs AK (2020)

बिना बताए चला गया।

He left without telling anyone.

— Jab We Met (2007)