as smart as a whip

Phrase - informal - mainly North American :
Smart as a whip
خیلی باهوش
کسی که گیرایی بالایی دارد و مطالب را به سرعت درک می کند.
به عنوان مثال :
He's smart as a whip, so there's nothing he can't learn

منابع

• https://www.lexico.com/definition/as_smart_as_a_whip