also: ひゅんと
adverb
Describes a sharp, swift sound of something cutting through the air, like a whip, arrow, or fast-moving object.
矢がひゅっと飛んでいった。
The arrow whizzed through the air.
風がひゅっと吹き込んだ。
The wind whistled in.
adverb
Indicates that an action is performed swiftly and effortlessly, as if cutting through air. Often used with verbs of movement or completion.
彼はひゅっと難問を解いた。
He solved the difficult problem with ease.
猫がひゅっと塀を飛び越えた。
The cat leaped over the fence smoothly.