"The last time we met was ten years ago" 是英语表达这个意思的一种常用方式。
其中 "last" 意为"最后的"，"time" 意为 "时间"， "met" 意为"见面"， "was" 是动词 "be" 的过去式，表示过去的状态， "ten years" 意为"十年"。
例句：
The last time we met was ten years ago.
(我们上次见面是在十年以前)
I haven't seen her since the last time we met, which was ten years ago.
(自从我们上次见面以来，我就没见过她了，那是十年前的事)
He couldn't remember the last time they met, but he knew it was at least ten years ago.
(他不记得上次见面是什么时候，但他知道至少是十年前)