Suddenly
Immediately, Abruptly
adverb
Something that happens in a sudden way happens suddenly, immediately, or abruptly.
The reading is the same as what you learned with the kanji. Suddenly you can read a new word!
急に帰る
to return suddenly
急に泣く
to cry suddenly
急に来る
to come suddenly
急に空からマッチ箱が一箱ふってきたんです。
A matchbox abruptly dropped from the sky.
えっ、急にそんなことを言われても...。
What? Even if you suddenly say such a thing…
ファミリー・ガイは、急にバカげた回想シーンを使うことで良く知られている。
Family Guy is famous for its random and stupid flashbacks.