I was excited but nervous, never having shot a firearm.

我很激动但也很紧张，因为我从来没射击过。

youdao

She was a little nervous at first but she soon regained her composure.

她起初有点紧张但很快就恢复了镇定。

《柯林斯英汉双解大词典》

Martha and Brian felt a little nervous, but their parents said they would enjoy the ride.

玛莎和布赖恩感到有点紧张，但他们的父母说他们会喜欢这个旅程。

youdao

But she says there is much evidence that nicotine in tobacco smoke affects the nervous system, and child development and behavior.

VOA: special.2009.01.13

It varies in its structure among cells of the nervous system but all synapses have some properties in common.

突触结构因神经系统细胞不同而不同,但突触都有某些共同属性

耶鲁公开课 - 生物医学工程探索课程节选

I still get nervous before every single lecture, which is actually a good thing. But it's managable.

每次上课前，我仍会感觉紧张，其实这是件好事，它可以控制。

哈佛公开课 - 幸福课课程节选

Rafa regains control but looks nervous and two poor drop volleys prevent him from seeing out the game.

BBC: Australian Open day 10 as it happened

But a nervous Spurs managed to hold them at bay to book a path into the next round.

BBC: Tottenham 1-1 Slavia Prague

Human error is an inevitable part of their job, but, nervous and under pressure, the errors have increased.

BBC: Corinthians have the Brazilian title within their sights