With a snap; sharply; crisply — describing a sharp sound or a decisive, clean action (e.g., a crisp movement or a clean break).
彼はビシッと書類にテープを貼った。
He taped the documents down with a crisp motion.
先生がビシッと注意すると、教室はすぐに静かになった。
When the teacher sharply reprimanded them, the classroom immediately became quiet.
包丁で野菜をビシッと切る音がした。
There was a crisp sound as the knife sliced the vegetables.
(To reject) sternly; flatly; to refuse decisively and firmly.
彼は申し出をビシッと断った。
He flatly turned down the offer.
上司は遅刻をビシッと注意した。
The boss sternly admonished him for being late.
親は子供のわがままをビシッと叱った。
The parents sharply scolded their child's selfish behavior.
Smartly; neatly; sharply (e.g., well-dressed or with a smart posture).
彼は面接にビシッとスーツを着て現れた。
He showed up to the interview smartly dressed in a suit.
ビシッと背筋を伸ばして話すと印象が良くなる。
If you sit up straight and speak crisply, you'll make a better impression.
彼女は髪を整えてビシッと決めた。
She fixed her hair and made a sharp, smart appearance.