當時霧很大。

It was very foggy.

Source: Tatoeba

Sentence Composition

=1 當時 dāngshí
  1. then
  2. at that time
  3. while
=1 當時 dàngshí
  1. at once
  2. right away
2 霧 wù
  1. fog
  2. mist

classifiers: 場, 陣
3 很 hěn
  1. very; quite
  2. (also, often used before an adjective without intensifying its meaning, i.e. as a meaningless syntactic element)
=4 大 dà
  1. big; large; great
  2. older (than another person)
  3. eldest (as in 大姐 dàjiě)
  4. greatly; freely; fully
  5. (dialect) father
  6. (dialect) uncle (father's brother)
=4 大 dài see 大夫 dàifu