This is the 4536th most frequent Chinese word.
某日
"某日" means "a certain day."
In this sentence, '某日' is used to refer to a specific but unspecified day in the past, indicating a turning point or important event in the speaker's life.
某日，我决定开始学习绘画。
One day, I decided to start learning painting.
Here, '某日' is employed to denote an unspecified date in the context of scheduling or planning, emphasizing the significance without specifying details.
某日的会议对我们非常重要。
The meeting on a certain day is very important to us.
In this context, '某日' refers to an indefinite future day of anticipation, highlighting the emotional aspect of the event.