Definition
同日 is a formal/literary adverb meaning 'on the same day' or 'simultaneously'. It is often used in written Chinese and in the fixed expression 同日而语 (to mention in the same breath). In everyday speech, 同一天 is more common for 'the same day'.
adverb
on the same daysimultaneouslyat the same time
Examples
- 同日。Tāmen liǎng rén tóng rì chūshēng.They were both born on the same day.
- 同日。Zhè liǎng jiàn shì bùnéng tóng rì ér yǔ.These two things cannot be mentioned in the same breath.
- 同日。Huìyì hé zhǎnlǎnhuì zài tóng rì jǔxíng.The meeting and the exhibition will be held on the same day.
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