你無可取代。

You're irreplaceable.

Source: Tatoeba

Sentence Composition

=1 你 nǐ you (informal, as opposed to courteous 您 nín)
=1 你 nǐ you (Note: In Taiwan, 妳 is used to address females, but in mainland China, it is not commonly used. Instead, 你 is used to address both males and females.)
2 無可 wúkě can't
3 取代 qǔdài
  1. to replace
  2. to supersede
  3. to supplant
  4. (chemistry) substitution