汤姆是谁？

Who's Tom?

Who is Tom?

Source: Tatoeba

Sentence Composition

1 汤姆 Tāngmǔ Tom (name)
=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 谁 shéi
  1. who
  2. also pr. shuí