情景对话：
Phil: Honey, I'm getting worried about Alex. I don't think she slept again last night. It's like the third night in a row.
Claire: I thought you were gonna set your alarm and check on her?
Phil: Stupid thing never went off.

知识点讲解：

In a row
连续

【例句一】
Hank didn't pay for dinner again. This is like the 5th time in a row that I've had to treat him.
Hank又没付晚餐钱，这好像是我连续第五次请他了。

【例句二】
He's wearing the same shirt 5 days in a row .
他穿着同样的衣服都五天了。

【例句三】
We won the game three times in a row.
我们连续三次赢这个比赛了。

Set one's alarm
上闹钟

【例句一】
Make sure you set your alarm for 7 so you can get ready in time. I'll be at your house a little before eight.
记得上个7点的闹钟，这样才有足够的时间准备好，我快八点的时候到你家。

【例句二】
I forgot to set my alarm.
我忘上闹钟了。

Check on someone
检查某人的情况

【例句一】
I'm gonna go check on Herman to see if he's ok. He's been in his room all day.
我去看看Herman看他是否一切OK，他在房间待一整天了。

【例句二】
Nothing I am checking on you.
没事我就是想看看你的情况。

Go off
闹钟响

My alarm didn't go off.
我的闹钟没响。

【例句一】
Someone's phone went off in the theater right as the most important part of the movie.
电影演到最重要的时刻某人的电话响了。

【例句二】
I was having a really good dream and then my alarm went off.
我正在做一个特别美的梦，结果这个闹钟突然响了。