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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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守る， 護る， 戍る， まもる
1. to protect, to guard, to defend
2. to keep (i.e. a promise), to abide (by the rules), to observe, to obey, to follow
保护，守护；遵守（即履行承诺）、恪守（规则）、遵守、服从、遵循
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なければならない， なければなりません， なければいけない
1. have to do, must, should, ought to
必须，应该
