off-the-cuff
🇺🇸
/ˌɔːf ðə ˈkʌf/
🇬🇧
/ˌɒf ðə ˈkʌf/
Spontaneous and unrehearsed.
She gave an off-the-cuff speech that was both engaging and insightful.
그녀는 매력적이고 통찰력 있는 즉석 연설을 했다.