"I like beef."
Translation:Is maith liom mairteoil.
Is maith le is the basic structure of the phrase; the le can be combined with a pronoun to have a pronomial subject, e.g. Is maith liom X = Is maith le mé X = “I like X”, Is maith linn Y = Is maith le muid Y = “We like Y”, etc., or the le can be followed by a noun to have that noun as the subject, e.g. Is maith le Pól Z = “Pól likes Z”.