1 used for talking about sth that has happened before now or before a particular time in the past （用于说话前或过去某时间已发生的事）已经: ‘Would you like some lunch?’ ‘No, I've already eaten, thanks.’ “你吃不吃午餐？”“不，我吃过了，谢谢。”We got there at 6.30 but Marsha had already left. 我们六点半到达那儿，但是马莎已经走了。Sita was already awake when I went into her room. 我走进西塔房间时，她已经醒了。

2 (used in negative sentences and questions for expressing surprise) so early; as soon as this （用于否定句及疑问句，表示惊奇）这么早，这么快: Have you finished already? 你已经做完啦？Surely you're not going already! 你不是现在就去吧！