昨天天氣不是很好。

Yesterday's weather wasn't so good.

Yesterday's weather wasn't very good.

Source: Tatoeba

Sentence Composition

1 昨天 zuótiān yesterday
2 天氣 tiānqì weather
=3 不是 bùshì
  1. no
  2. is not
  3. not
=3 不是 bùshi fault; blame
4 很 hěn
  1. very; quite
  2. (also, often used before an adjective without intensifying its meaning, i.e. as a meaningless syntactic element)
=5 好 hǎo
  1. good
  2. appropriate; proper
  3. all right!
  4. (before a verb) easy to
  5. (before a verb) good to
  6. (before an adjective for exclamatory effect) so
  7. (verb complement indicating completion)
  8. (of two people) close; on intimate terms
  9. (after a personal pronoun) hello
=5 好 hào to be fond of; to have a tendency to; to be prone to