這是只梨，不是蘋果。

This is a pear, not an apple.

Source: Tatoeba

Sentence Composition

=1 這 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 這 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 只 zhī variant of 只 zhī
=3 只 zhǐ only; merely; just
=3 只 zhǐ variant of 只 zhǐ
=3 只 zhī grain that has begun to ripen
=3 只 zhǐ variant of 只 zhǐ
=3 只 zhī classifier for birds and certain animals, one of a pair, some utensils, vessels etc
4 梨 lí pear

classifier: 個
=5 不是 bùshì
  1. no
  2. is not
  3. not
=5 不是 bùshi fault; blame
=6 蘋果 Píngguǒ Apple (American tech company)
=6 蘋果 píngguǒ apple

classifiers: 個, 顆