你是今天買還是昨天買的？

Did you buy it today or yesterday?

Source: Tatoeba

Sentence Composition

=1 你 nǐ you (informal, as opposed to courteous 您 nín)
=1 你 nǐ you (Note: In Taiwan, 妳 is used to address females, but in mainland China, it is not commonly used. Instead, 你 is used to address both males and females.)
=2 是 shì
  1. to be (followed by substantives only)
  2. correct; right; true
  3. (respectful acknowledgement of a command) very well
  4. (adverb for emphatic assertion)
=2 是 shì variant of 是 shì
3 今天 jīntiān
  1. today
  2. the present time; now
4 買 mǎi
  1. to buy
  2. to purchase
=5 還是 háishi
  1. still (as before)
  2. had better
  3. unexpectedly
  4. or
=5 還是 háishì
  1. had better; it would be best (to do something); one would be well-advised to
  2. nevertheless; yet
  3. or
  4. still
6 昨天 zuótiān yesterday
7 買 mǎi
  1. to buy
  2. to purchase
=8 的 de
  1. of; ~'s (possessive particle)
  2. (used after an attribute when it modifies a noun)
  3. (used at the end of a declarative sentence for emphasis)
  4. (used after a noun, verb or adjective to form a nominal expression, as in 皮革的 pígéde "one made of leather" or 跑堂儿的 pǎotángrde "a waiter (literally, one who runs back and forth in a restaurant)" or 新的 xīnde "new one")
  5. also pr. dì or di in poetry and songs
=8 的 dī a taxi; a cab (abbr. for 的士 dīshì)
=8 的 dí really and truly
=8 的 dì (bound form) bull's-eye; target