Английский словарь американских идиом - on one's coattails

{adv. phr.} Because of another's merits, success, or popularity. * /Bob and Jim are best friends. When Jim was invited to join a fraternity, Bob rode in on his coattails./ * /Many people vote straight for all the candidates in the same political party. Most people voted for President K., so Governor B. rode in on K.'s coattails./