日记英语读音为 [ˈdʒaɪˌnaɪ], 来源是英语中日记的意思。

例句1:
I keep a diary to record my daily thoughts and feepngs.
我写日记记录我的每天的想法和感受。

例句2:
She wrote in her diary every night before bed.
她每晚睡觉前都会写日记。

例句3:
He found his old diary from his teenage years and read through it with nostalgia.
他找到了他青少年时期的旧日记并怀旧地读了一遍。