sudden death
Su repentina muerte nos sorprendió enormemente.
His sudden death shocked us greatly.
La gente lamentó profundamente su repentina muerte.
People deeply mourned his sudden death.
Su repentina muerte fue una tragedia.
His sudden death was a tragedy.
Nos sorprendió mucho la noticia de su repentina muerte.
We were very surprised by the news of his sudden death.