大部分是年轻人。

They were for the most part young people.

Source: Tatoeba

Sentence Composition

=1 大部分 dàbùfen
  1. the greater part; the majority; most
  2. Taiwan pr. dàbùfèn
=1 大部分 dàbùfèn the majority; most; the greater part; the bulk
=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 年轻人 niánqīngrén
  1. young people
  2. youngster