She startled one of the masked performers with a poke to the head because she was "curious" what it would feel like.

她对一个头上刺着锥子的蒙面怪物感到很是惊讶，因为她很“好奇”那名演员到底是怎么打扮成那副模样的。

youdao

She looked at him with startled eyes.

她用吃惊的目光看着他。

《牛津词典》

She jumped back like a startled rabbit.

她像受惊的兔子似的跳了回去。

《牛津词典》

On the way home from school she takes a short cut through a barley field where she is startled by a neighbor, Mr.Harvey.

VOA: standard.2010.01.08

But Mei said she was startled to find out she was apparently a target because she is not a journalist anymore.

CNN: Google warns users of state-sponsored hacking

Kaitlyn Fonzi, a 20-year-old biology student who lived in the apartment directly below, said she was startled by loud music as she was preparing to go to sleep.

WSJ: Shooting Suspect Built Arsenal by Mail Order, Police Say

She was startled into alertness at first not sure where she was.

NEWYORKER: Pumpkin Head