1. a diary; a journal(▼diaryのほうが一般的)
    • 日誌をつける
    • keep a diary [journal]
    • 学級[作業]日誌
    • a daily record of one's 「class activities [work]
    • 航海日誌
    • a log (book)
    • 病床日誌
    • a daily record of one's illness
    • 旅行日誌
    • a travel diary