but he is
Oh, but he's not mean.
— Viens chez moi, j'habite chez une copine (1981)
J'ignore comment se nomme ce fruit mais il est délicieux.
I don't know what this fruit is called, but it's delicious.
Il a l'air très gentil, mais il est désagréable.
He seems very nice, but he’s unpleasant.
Je sais pas où tu l'as trouvé, mais il est tout gros.
I don't know where you found it, but it's really big.
— Ponyo sur la falaise (2008)
Mon oncle n'est pas jeune, mais il est en bonne santé.
My uncle isn't young, but he's healthy.