ひとあわふかせる
一泡吹かせる
to give someone a surprise; to catch off guard and fluster; to frustrate (e.g. someone's plans); to give someone a blow; to scare the hell out of
N3Expression
Expression, Ichidan verb
to give someone a surprise•to catch off guard and fluster•to frustrate (e.g. someone's plans)•to give someone a blow•to scare the hell out of