sweet tooth字面上看是“甜甜的牙齿”，但其实表示“爱吃甜食”。 最开始时，人们用 tooth 来形容食物好吃，久而久之，就用 sweet tooth来表示“爱吃甜食的嗜好”。 have a sweet tooth就是说有爱吃甜食的嗜好，也就是“爱吃甜食”。 I have the biggest sweet tooth in my family.

Would you give up alcoholic drinks for a month? That's what a campaign in Britain is suggesting to people who had too much of ...

例句：Go easy on the sugar, I don’t have much of a sweet tooth.（少放点糖，我不太能吃甜。 ） 想要先不加糖，后面再决定，可以问： 例句：Could you hold the sugar? I’ll let you know if I need it later.（可以先不加糖吗？ 要是之后需要我再告诉你。 ） 常见误区： ...

Would you give up alcoholic drinks for a month? That's what a campaign in Britain is suggesting to people who had too much of it over Christmas. Take Away English talks about the initiative.