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以上， 已上， いじょう
1. not less than ..., ... and over, ... and above, ... and upwards, ... or more
2. beyond (e.g. one's expectations), above, more than, further than
3. the above, the above-mentioned, the aforementioned, the foregoing
4. since ..., seeing that ..., no...
至少，以上；超出；前述，上述(用于一段话的结束)；结束，终(用于文章、条文结尾)；既然；就这样(用于活动或讲话结束)
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を
1. indicates direct object of action
2. indicates subject of causative expression
3. indicates an area traversed
4. indicates time (period) over which action takes place
5. indicates point of departure or separation of action
6. indicates object of d...
表示动作的直接对象；表示经过的场所；表示离开或分开的点
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ことがある， 事がある
1. (for something) to have occurred, to have done (something)
2. (for something) to happen on occasion
(某事)发生，已完成(某事)；(某事)偶尔发生