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留守, 留主, るす
1. absence, being away from home
2. house-sitting, house-sitter
3. being left unattended to (of one's studies, etc.), neglecting
不在家,离家在外
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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