Don’ t be alarmed, it wasn’ t a serious accident. 别担心，这不是很严重的事故。

+by/at Politicians were alarmed at the prospect of a new wave of strikes. 政治家们对可能会发生的新一波罢工感到忧虑。

alarmed to hear/see/find sth I was alarmed to see that the men were carrying guns. 我看到那些人带着枪感到很惊恐。

With all this computer equipment, you should really get your house alarmed. 有这么多计算机设备，你确实应该给房子里装上报警器。