I forgot that our alarm automatically turns on at 11 PM, so when people opened the door, it went off.

我忘了我家的报警器每天晚上11点会开，有人开门它就响了。

youdao

I forgot that our alarm automatically turns on at 11 PM, so when people opened the door, it went off.

我忘了我家的报警器每天晚上11点会开，有人开门它就响了。

youdao