立彬の日本語
いったん約束をしたら、守らなくてはいけない。
tbd
Once you have made a promise, you should keep it.
1,547
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いったん， 一旦
1. once
2. for a short time, briefly, temporarily
3. one morning
临时，短暂；曾经；某天早晨
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約束， やくそく
1. promise, agreement, arrangement, one's word, contract, pact
2. appointment, engagement, date
3. convention, rule
4. destiny, fate
协议，合同，约定；约会，订婚；惯例，规则；命运，宿命
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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，信守
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なくてはいけない， 無くてはいけない
1. cannot do without something, indispensable, absolutely necessary
2. have to do
tbd