Translation of "Zabrzmi" in English

To zabrzmi jak samochwalstwo, ale...

This may sound like blowing my own horn, but ...

Uważam, choć to zabrzmi trochę kontrowersyjnie,

I really think in a way that's going to sound slightly controversial

Moim zdaniem... Może to zabrzmi okrutnie,

To me... I will say something that may sound cruel,

Dziwnie to zabrzmi, ale on nagle zniknął.

This might sound strange, but he has suddenly disappeared.