Английский словарь американских идиом - under one's thumb

or under the thumb {adj.} or {adv. phr.} Obedient to you; controlled by you; under your power. * /The Jones family is under the thumb of the mother./ * /Jack is a bully. He keeps all the younger children under his thumb./ * /The mayor is so popular that he has the whole town under his thumb./ Compare: JUMP THROUGH THE HOOP.