And her lovely gray eyes were surrounded by thick lashes that must have been striking on her father, but in her case only made her look startled.

我觉得应该是：而围绕着她那可爱的灰眼睛的浓密睫毛，在她父亲脸上肯定极引人注目，放在她脸上却只是让她看上去总像受了惊吓的样子。

youdao

Martha gave her a startled look.

玛莎受惊地看了她一眼。

《柯林斯英汉双解大词典》

"Yes," with a startled look—"didn't she stay with you last night?"

“是的，”她看上去很吃惊，“她昨晚不是跟你在一起的吗？”

youdao

On the day, when my Dad got around to opening it, he gave me a very brief, startled look, before regaining his composure, saying thanks, and moving on to the next present.

FORBES: How to Think About Body Language, Part 2