they please, they like (something)
A todos les agradan.
Everyone likes them.
Te agradan todos.
You like them all.
Me agradan las pecas.
I like freckles.
Tom y María no se agradan el uno al otro.
Tom and Maria don't like each other.
Ustedes me agradan.
I like you.
A la juventud le agradan sus libros.
Young people like his books.
A él realmente le agradan los Estados Unidos.
He really likes the United States.