Friday at 11? I'll put it in my diary.
星期五11點？我要把它記在記事本里。
His diary was not published during his lifetime.
他的日記在他生前未曾發表過。
Do you keep a diary?
你經常記日記嗎？
The events were faithfully recorded in her diary.
這些事件在她的日記中如實地記錄了下來。
His excuse for forgetting her birthday was that he had lost his diary.
他辯解說因為日記本丟了才忘了她的生日。