suddenly

突然、急に

予想していなかったのに、急に起こる様子。

やさしい英語で： Quickly and without being expected.

• The lights suddenly went out.
• She suddenly remembered his name.
• Why did the car suddenly stop?

類義語： unexpectedly, abruptly

反対語： gradually

よく使う表現： suddenly stop, suddenly appear, suddenly realize