noun [抽象名词]唠叨；老马；竞赛马Aunt Molly is a nag about regular meals.莫莉姨妈是个对一日三餐絮絮叨叨的人。
verb [vt. 及物动词]使烦恼；不断地唠叨The more Sarah nagged her, the more stubborn Cissie became.萨拉越是对她唠叨不休，茜茜就越是固执。
verb [vi. 不及物动词]不断地唠叨If something such as a doubt or worry nags at you, or nags you, it keeps worrying you.烦扰He could be wrong about her. The feeling nagged at him. 他可能错怪她了。这种感觉烦扰着他。