Don't be selfish A mother is admonishing her son. Now, John, don't be selfish. Let your little brother share the bicycle with you. But Mother, I do. I ride it down the hill, and he rides it up the hill.別太自私 一位母親在勸告她的兒子。 "聽着,約翰,別太自私,讓你的弟弟和你共用一輛自行車。" "媽媽,我是讓他。我先騎下坡,他再騎上坡。