ago，英语单词，副词、形容词、名词，作名词时意为“(Ago) （美）阿戈（人名）”。作形容词时意为“以前的”。作副词时意为“以前”。
外文名 ago
词 性 副词、形容词、名词
属 性 英语单词
牛津词典
adv.
（与动词简单过去时连用）以前
used in expressions of time with the simple past tense to show how far in the past sth happened
two weeks/months/years ago
两周 / 两月 / 两年以前
The letter came a few days ago.
这封信是几天前寄来的。
She was here just a minute ago.
刚才她还在这儿。
a short/long time ago
不久 / 很久以前
How long ago did you buy it?
这东西你是多久以前买的？
It was on TV not (so) long ago.
电视不（很）久以前播出了这个节目。
He stopped working some time ago (= quite a long time ago) .
他早就停止工作了。
They're getting married? It's not that long ago (= it's only a short time ago) that they met!
他们要结婚啦？他们刚认识不久嘛！
