suddenly

US /ˈsʌd.ən.li/
UK /ˈsʌd.ən.li/
"suddenly" picture
1.

突然, 不意に

quickly and unexpectedly

:
The lights went out suddenly.
電気が突然消えた。
He suddenly realized his mistake.
彼は突然自分の間違いに気づいた。