【食言而肥】〖shí yán ér féi〗[get fat because of "going bake on one's word" -- be worse than one's word; get fat by going bake on one's word; fail to make good one's promise; break faith with sb]

食浮于人高薪职，

言过其实民意欺。

而废半途公有改，

肥吃海喝权谋私。