Learn French: Je préfère les cheveux courts, c'est mieux.

Meilleur is the comparative of the adjective bon (good), used to describe specific nouns. Mieux is the comparative of the adverb bien (well). However, when using the impersonal expression c'est to state a general opinion about a situation or concept (like saying 'it is better' in general), French always uses c'est mieux.

Why does préfère have a grave accent (è) when the infinitive is préférer?

Préférer is a stem-changing verb. In the present tense, for the singular pronouns (je, tu, il/elle/on) and the plural ils/elles, the second-to-last é changes to an è. This slight spelling change makes the word easier to pronounce.

The English translation just says 'short hair', so why does the French include les?

In French, when you express a general like, dislike, or preference using verbs like aimer, adorer, détester, or préférer, you must always use the definite article (le, la, les) before the noun.

Why is courts plural and placed after cheveux?