已[yǐ] 基本解释：
新英汉大词典：
- 已[yǐ]
- 动词- （停止） stop; cease; end:
no release until death;死而后已
argue endlessly; be bogged down in endless argument争论不已
- （罢免） dismiss [remove] from office- （完毕） finish - 副词- （已经） already:
It's too late.为时已晚。
The problem has already been solved。问题已解决。
- （后来; 过了一会儿） thereafter; afterwards:later on; shortly afterwards已而
- （太; 过） too:refrain from going to extremes in meting out punishment, etc.不为已甚
以上内容来源于：《新汉英大辞典》
例句与用法：
Since you are already of age now, you should solve the problems by yourself.
Your shirt is already ironed.
The pain was already lessening.
This research merely duplicates work already done elsewhere.
She seemed a babe although she was already thirty.
You had already gone when I arrived there.
We've already finished the work anterior to the schedule.
Be married next Christmas, for you will have got your master's degree by then.
已的其他解释: