Искать
suddenly
01
вдруг
in a way that is quick and unexpected
02
вдруг
quickly and without warning
03
вдруг
on impulse; without premeditation
Пример
The thunderstorm started suddenly, catching people off guard.
Suddenly, she remembered where she had left her keys.
She appeared suddenly at the doorstep, surprising her friends.
It began to rain suddenly while we were playing football.
The phone rang suddenly, interrupting our conversation.