► 形容動詞
急 [きゅう] meaning: fast rank: 1
☆ この川は流れが急だから危険だ ⇨ This river current is very fast and dangerous
急 [きゅう] meaning: steep rank: 1
☆ 急な坂 ⇨ A steep hill
急 [きゅう] meaning: sudden rank: 1
☆ 急にそんな事を言われてもどうしたら良いかわからない ⇨ You ask me that out of the blue and I just don’t what to do
☆ 急に雨が降り出した ⇨ Suddenly it started raining
急 [きゅう] meaning: urgent rank: 1
☆ 急な仕事が入った ⇨ I just got an urgent work
☆ 急な知らせが入った ⇨ I just got an urgent message (☛ Often about someone dying)
More examples:
- 工事が急ピッチで進められている ⇨ The construction has been pushed at a high pace
 - 昨日急に運動したら、そこら中が痛い ⇨ I worked out yesterday after a long break and my body hurts everywhere
 - 救急病院 ⇨ An emergency hospital
 - 応急修理はしたので一先ずは大丈夫だ ⇨ I did a quick repair, so it is safe for now
 - 彼は病気で急激に痩せた ⇨ He has drastically lost weight with illness
 - 緊急の用事が出来た ⇨ An urgent issue has come up for me
 - 急ぎで御願いします ⇨ Please hurry. An express service please
 - 川が急激に増水した ⇨ The water level of the river rose rapidly
 - 至急御連絡下さい ⇨ Please contact us ASAP
 - 事態は急変した ⇨ The situation took a dramatic turn
 - 事故の連絡を受けて私は大急ぎで家に帰った ⇨ I hurriedly went home after receiving news of an accident
 - 彼女は最近急に人気が出た ⇨ She has suddenly become popular recently
 - もっと急いでくれないかしら ⇨ I wish they hurry up a little more
 - 急にしゃっくりが止まらなくなった ⇨ Suddenly hiccups have started
 - 急に漠然とした不安を感じた ⇨ I suddenly felt an anxiety that I couldn’t pinpoint where it was coming from