Definition
四日 is a formal time word meaning 'fourth day (of the month)' or, in compounds like 四日游, 'four-day (trip)'. It is more formal than 四天 and is typically used in written dates and schedules. Unlike 四天 which indicates a duration of four days, 四日 refers to a specific day or functions as a modifier in set phrases.
t
fourth day (of the month)(in compounds) four-day (duration)
Examples
- 四日。Jīntiān shì sì yuè sì rì.Today is April 4th.
- 四日。Wǒmen cānjiā le yí gè sì rì yóu.We joined a four-day tour.
- 四日。Huìyì dìng zài sì rì jǔxíng.The meeting is scheduled for the fourth day.
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