She was alarmed at the prospect of travelling alone.

她一想到独自旅行的情景就害怕。

《牛津词典》

"I'm afraid I don't know one," said Alice, rather alarmed at the proposal.

“恐怕我一个也不认识。”爱丽丝说，对这项提议感到十分震惊。

youdao

He was not alarmed at receiving the telegram.

他接到这封电报时并不心慌。

《新英汉大辞典》

A leading Nigerian blood specialist is the WHO . cancer. is alarmed at the growing numbers of cases of cancer - the name given to a class of diseases characterized by the uncontrolled growth of cells, which then form tumors.

VOA: standard.2010.06.16

And he does have some support from conservative Republicans who are alarmed at the runaway spending.

NPR: Marketplace Report: Senate Considers War Funding

Vatican officials evidently became alarmed at the nature of the allegations against Cardinal O'Brien.

BBC: Cardinal O'Brien's departure leaves a rudderless Church

MPs, alarmed at the thought that many of them would lose their seats after electoral reform.

ECONOMIST: The ghosts at Ashdown’s feast | The