but (EN)
conjunción, preposición, adverbio, sustantivo

conjunción “but”

but
  1. pero
    The cake was delicious but too sweet for my taste.
  2. sino (cuando se niega lo anterior y se afirma lo siguiente)
    I didn't see a cat but a dog in the alley.
  3. pero
    But that's exactly what you implied yesterday!
  4. excepto, introduciendo una cláusula subordinada
    He did nothing but complain about the weather.

preposición “but”

but
  1. excepto
    Nobody but the chef knows the secret recipe.

adverbio “but”

but
  1. solo
    He was but a child when he mastered the piano.

sustantivo “but”

sg. but, pl. buts
  1. pero (como en "un pero")
    She accepted the proposal with no buts about it.