This is the 4181st most frequent Chinese word.
四日
"Four days" or "the fourth day."
The term '四日' refers to the fourth day as a numerical position in a week.
四日是一个星期中的第四天。
The fourth day of the week is four days.
Here, '四日' denotes a specific date or a numerical day in a time sequence.
会议安排在四日举行。
The meeting is scheduled to be held on the fourth day.
In this sentence, '四日' indicates a specific day in a narrative setting, setting the time frame for the described event.