Train is a "homonym." Train is spelled the same but has different meanings. Train: locomotive, train: to aim and follow; train: to practice and learn, or to teach; train: part of a gown. "No matter how much we practice [train] we never look like them," means: "It does not matter how much we practice, we do not resemble them." "That stuff would have informed you" means: "that information would have taught you about the subject."