в одно ухо влетает, а из другого вылетает(Jokingly he added: "I constantly have to lecture Mark Collett about all sorts of things. He is a pig ignorant man. Often it goes in one ear and straight out of the other."bbc.co.uk)
оба хороши(of two people or groups equally responsible for a bad situation: Do you think Anne or Brian is to blame for their break-up? It's six of one and half a dozen of the otherBob_cat)
двойные стандарты(The contract calls for new hires to be paid less permanently. But why make fish of one and fowl of the other? – Контракт предусматривает, что новым сотрудникам будут платить меньше на постоянной основе. Но зачем такие двойные стандарты?Taras)