Friday at 11? I'll put it in my diary.
星期五11点？我要把它记在记事本里。
His diary was not published during his lifetime.
他的`日记在他生前未曾发表过。
Do you keep a diary?
你经常记日记吗？
The events were faithfully recorded in her diary.
这些事件在她的日记中如实地记录了下来。
His excuse for forgetting her birthday was that he had lost his diary.
他辩解说因为日记本丢了才忘了她的生日。