Puede uno traducir esta frase en inglés o alemán por favor. Muchas gracias. No no puedo. But I suggest you to ask her/him about this sentence, she/he can give you the explanation in Spanish, because the context is not enough, I think just your friend can explain it.

Maybe you wanted to write: Le quedaste grande. =She doesn't deserve you. It can mean : your're a great man and she is a little thing. "Le llegaste grande" can be translated as: You're too old for she, or, you're a great man in comparison with she/he. This phrase depends of the context.