Definition
天文数字 is a fixed expression meaning 'an astronomically large number' — used hyperbolically to describe costs, amounts, or figures that are shockingly huge. It does NOT refer to numbers used in astronomy; it's purely figurative. You can use it as a noun phrase (e.g., 那是一个天文数字).
n.
astronomical figureenormous number (used hyperbolically)
Examples
- 天文数字。Zhège xiàngmù de fèiyòng shì yí gè tiān wén shǔ.The cost of this project is an astronomical figure.
- 天文数字。Tā qiàn de zhài yǐjīng biàn chéng le tiān wén shǔ.The debt he owes has become an astronomical figure.
- ，天文数字。Duì pǔtōng rén lái shuō, yí yì yǐjīng shì tiān wén shǔ le.For ordinary people, 100 million is already an astronomical figure.
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