にわかに (niwakani) Japanese meaning: suddenly | Kotomoraにわか
に
曇
っ
て
、
雨
が
降
り
出
し
た
。
The sky suddenly clouded over and it started to rain.
I couldn't believe the news all of a sudden.
Usage patterns
〈事〉がにわかに変わるfor a situation or condition to change suddenly and unexpectedly
The weather suddenly changed and it started to rain.
にわかには〈動詞〉がたいhard to do (something like believe) right away, on the spot
His story is hard to believe right off the bat.
空がにわかに曇るfor the sky to suddenly cloud over
The sky suddenly clouded over and the wind picked up too.