all of a sudden

IPA(Pronunciation)

Adverb

colloquial not-comparable

(set phrase, colloquial) Suddenly, quickly, without warning.

Japanese Meaning

突然 / いきなり / 急に

The crowd was cheering, and then all of a sudden the lights went out.

観客は歓声を上げていたが、すると突然照明が消えた。

Sense（1）

(set phrase, colloquial) Suddenly, quickly, without warning.

All of a sudden I felt very hot and tired.