她是四十岁。

She is forty years old.

Source: Tatoeba

Sentence Composition

1 她 tā she
=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 四十 sìshí
  1. forty
  2. 40
=4 岁 suì
  1. variant of 歲 suì, year
  2. years old
=4 岁 suì
  1. classifier for years (of age)
  2. year
  3. year (of crop harvests)