苦頭
suffering
這是我們吃了～總結出來的經(jīng)驗。These are lessons drawn from our setbacks in the past./聽不進群眾的意見，早晚要吃～的。If you turn a deaf ear to the masses’criticism,sooner or later you’ll have to pay for it./吃～suffer setbacks; suffer/吃盡～endure untold sufferings; suffer enough from