彼は口ばかりで実力が伴っていない。
He's all talk; his ability doesn't match it.
人気に実績が伴うまでには時間がかかった。
It took time for his achievements to catch up with his popularity.
理想は立派だが、行動が伴わなければ意味がない。
Your ideals are fine, but they mean nothing unless your actions live up to them.