to put one's foot in: to say or do the wrong thing
This idiom is used with the noun phrase one's mouth, when referring something said, or the pronoun it, when referring to something done.
to throw the book at: to punish with full penalty, to be harsh on
to cover ground: to be extensive, to discuss much material
Forms such as a lot of, too much, too little are used before the noun ground.
not on your life: absolutely not (also: no way)
This idiom is used as a kind of exclamation by itself.
to carry on: to continue as before; to conduct, to engage in; to behave in an immature manner
to make waves: to create a disturbance, usually by complaining
This idiom is similar in meaning to the previous idiom, but the emphasis is on the aspect of complaining rather than causing embarrassment.
to throw (someone) a curve: to introduce an unexpected topic, causing embarrassment (S)
to think up: to invent, to create (also: to dream up)
This idiom is often used for an unusual or foolish thought.