बिना बताए angolul

unbeknown▼adverb
[UK: ˌʌn.bɪ.ˈnəʊn] [US: ˌʌn.biˈnoʊn]

unbeknownst▼adverb
[UK: ˌʌn.bɪ.ˈnəʊnst] [US: ən.biˈnoʊnst]