startlingly
🇺🇸
/ˈstɑːrtlɪŋli/
🇬🇧
/ˈstɑːtlɪŋli/
in a way that is very surprising and unexpected
The magician's tricks were so well done that they were startlingly impressive.
魔術師のトリックはとても上手くできており、驚くほど印象的でした。