I tried to simulate surprise at the news.

听到这个消息后，我竭力装出一副吃惊的样子。

They couldn't conceal their surprise at seeing us together.

看见我们在一起，他们表现出掩饰不住的诧异。

Or on his own instinctive cries, like a gulp of surprise at the sight of falling water or a yelp of effort caused by smashing a rock into a skull.

要么基于他自己本能的喊叫，像是看到降水时惊奇地吞咽口水的声音，或是把岩石敲进头骨，使劲叫喊的声音。

She blinked in surprise at his agility.

她对他的敏捷惊愕地眨了眨眼睛。

He gasped with surprise at her strength.

发现她有这么大的力气，他大吃一惊。