这是一种武器。

It's a weapon.

Source: Tatoeba

Sentence Composition

=1 这 zhè
  1. (pronoun) this; these
  2. (bound form) this; the (followed by a noun)
  3. (bound form) this; these (followed by a classifier) (in this sense, commonly pr. zhèi, esp. in Beijing)
=1 这 zhèi (coll.) this
=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 一种 yīzhǒng one kind of; one type of
4 武器 wǔqì
  1. weapon
  2. arms

classifier: 種