From Longman Dictionary of Contemporary Englishbetter yourselfbetter yourselfIMPROVEto improve your position in society by getting a better education or earning more money → better
Examples from the Corpus
better yourself• A lot of people are trying to better themselves.• He doesn't criticize the vice-president marketing's expert judgement nor pretend he could do better himself.• I couldn't have done better myself.• I teach them to better themselves.• It is a way in which diversity and the desire to better oneself can be accommodated.• She would do anything to better herself.• And she feels better herself - after two weeks, her headaches and tiredness have gone.• Wilson speeches often praise the gumption of illegal immigrants who take risks and endure hardships to better themselves and their families. 