A phrase which has a meaning that is commonly understood by speakers of the language, but whose meaning is often different from the normal meaning of the words is called an idiom.
Butter wouldn't melt in their mouth If someone looks as if butter wouldn't melt in their mouth, they look very innocent. Contributor : Unknown .....................................................................................................................
Bun in the oven If a woman has a bun in the oven, she is pregnant. Contributor : Unknown .....................................................................................................................
Bring home the bacon A person who brings home the bacon earns the money that a family live on. Contributor : Unknown .....................................................................................................................
Breadwinner Used to describe the person that earns the most money. For example - She's the breadwinner in the family. Contributor : Unknown .....................................................................................................................
Bread and butter Bread and butter issues are ones that affect people directly and in a very important way. Contributor : Unknown .....................................................................................................................