Number four, to have a sweet tooth.

第四，爱吃甜食。

I just don't happen to have a sweet tooth.

我只是碰巧不喜欢吃甜食。

Oh that's very sweet of you Li, but the phrase to have 'a sweet tooth' is another way of saying that someone craves sweet food all the time, such as sweets, desserts and chocolates.

哦，莉，你人真是太好了，不过have a sweet tooth这个词组的意思是说一个人一直想吃糖果、甜点和巧克力这种甜食。

Let me know, obviously which language you speak, and if it's the same in your language, or if there's a slight variation, but in English, to have a sweet tooth means to be a big, big fan of sweet foods.

让我知道，很明显你说的是哪种语言，如果你的语言是一样的， 或者如果有轻微的差异， 但在英语中，爱吃甜食意味着成为甜食的忠实粉丝。