1.go back 回转； 回顾

I can't go back and end this now.
我现在不能回去并结束这一切了。

Don't go back, the reasons you left are still the same.
不要回去，当初那些促使你离开的理由并不会消失。

2.death toll 死亡人数

The death toll from the shooting remains at 12.
枪击案死亡人数目前依旧是12人。

With a death toll of children that was terrifying.
有一个孩子死亡的消息是可怕的。

3.at least 至少

Read at least 30 books.
至少读30本书。

At least august was quiet.
至少八月是安静的。