Like a lot of people, I'm prone to nervous habits. Biting my fingernails and skin and trying to figure out ways to stop biting my lips are among my top compulsive behaviors. But I've taken efforts to ...

Dear Dr. Reitz: I have a habit of biting my lip when I am nervous or anxious, often without even knowing I am doing it. A few months ago a painless lump suddenly formed inside my lower lip that gets ...

代码已经复制到剪贴板。 上次我们学了几个由lip这个词发展而来的习惯用语。今天再学几个，第一个是: bite one's lip。 Bite意思是“咬，” 想一想人在什么情况下会咬嘴唇呢? 常常是竭力克制自己的时候。而且如果咬住了嘴唇，就说不出话来了。所以bite one's lip ...

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