就三天前
Just three days ago.
以上为机器翻译结果，长、整句建议使用 人工翻译 。
他说他在三天前就完成了这项工作。
He said he had finished the job three days before.
youdao
叶子。长春藤上的。等到最后一片叶子掉下来，我也就该去了。这件事我三天前就知道了。难道医生没有告诉你？
Leaves. On the ivy vine. When the last one falls I must go, too. I've known that for three days. Didn't the doctor tell you?
他三天前就离开了。
He left here three days ago.
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