一天 (yī tiān) — (fixed expression / adverbial) all day; the whole day; (noun) one day (as a time period)
Definition
一天 has two distinct uses: as an idiom meaning 'all day / the whole day' (一天到晚, working from morning to night), and as a noun meaning 'one day' as a time period ("one day I'll..."). Don't confuse the duration sense with the single-occasion sense.
idiom
(fixed expression / adverbial) all daythe whole day
noun
one day (as a time period)
Examples
- 。Tā yī tiān dào wǎn dōu zài gōng zuò.He works from morning till night.
- 一天，。yī tiān, Wǒ zài gōng yuán lǐ sàn bù shí yù dào le lǎo péng you.One day, I met an old friend while walking in the park.
- 一天，。Tiān shàng yī tiān de xīng xing, fēi cháng piào liang.The whole sky is full of stars; it's very beautiful.
Grammar
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