alarm

The smoke alarm started ringing loudly because the bread was stuck in the toaster.

(Chinese) 由于面包卡在烤面包机里，烟雾报警器开始大声响起。

The security alarm goes off automatically if any of the windows are opened after midnight.

(Chinese) 如果午夜后有任何窗户被打开，防盗报警器就会自动响起。

The villagers watched with alarm as the dark floodwaters began to rise quickly.

(Chinese) 村民们惊恐地看着黑色洪水开始迅速上涨。

There is no cause for alarm; the loud noise was just a firework in the distance.

(Chinese) 没有必要惊恐，那声巨响只是远处的烟火。