Cooking with gas: performing with skill, energy, enthusiasm, and excellence
It is a way of expressing enthusiasm that someone is making very good progress, or has just gotten an important insight into something.
It's "cooking on gas." It means that now things are really progressing. It refers to the difference between cooking on an open flame, such as coal or wood, and cooking with propane gas, which gives a much more even heat.
It means that gas is the heat source for cooking. For example, using a gas stove or gas grill rather than electric or charcoal.
The meaning of the idiomatic expression, get a foothold in, is that you only need a small opening. This phrase is often used in business. One example of getting a foothold in would be getting an introduction to someone who works in a company that you would like to work in.
angry
It means just what it sounds like - someone is not moving at all, not even one muscle.
she monitors everything that is happening through all her senses and report them to the school management. just like a spy.
lt means like extremly angry.
This is not an idiom. It means just what it sounds like it means -- somebody was roused into eternal wakefulness. You just need a dictionary, I suppose.
It's not an idiom. It means just what it sounds like -- someone or something is gone away forever, they're no longer here.
The expression is not idiomatic. It means exactly what it says. To be sent on ( or for) errands means to be out on a shopping trip, or such like, for someone. Mother sent me on errands to the grocery store and the dry cleaners.
No, "good student" is not an idiomatic expression. It simply refers to a student who performs well academically.
"Penny for your thoughts" means "I would like you to tell me what you are thinking about"
The idiom "wear an alien face" means to appear distant, unfamiliar, or out of place in a particular situation or environment.
Mary couldn't sit still during the movie, she had ants in her pants the whole time.