When one makes a proclamation or statement as a true fact, and it is later proved to be wrong, they are said to "eat their words" - they have been humbled by their error.
A 10 , bad , keeper
Promising is not an idiom -- it is a word. Idioms are phrases.
No, it is a word. Idioms are phrases that make no sense unless you know the definition.
A Bone of Contention.
is the word "distinguished",be exceptionally goal or something of high quality.
Is there such a thing as a safe expression of love? He did not know the meaning of that idiomatic expression in Spanish. She wore a puzzled expression as she entered the room.
Body is a word -- it can't be an idiom. You can find many meanings for this word in any good online dictionary.
I really don't know what you mean by Five Kinds ... the word "idiom" simply means a phrase that cannot be understood as spoken because it has come to mean something besides what it appears to mean.
No. The word wax as a verb means to increase, as in increasing boasting. It just means someone is bragging.
"Beg" is not an idiom. An idiom is a phrase that you cannot understand unless you know the definition. "Beg" is a word that you can look up in any dictionary.
Meaning "to happen" or "to take place," the idiomatic expression "come about" can be used diversely in contemporary English. One proper use is modeled as follows: "Several analysts concluded that an economic boom was going to come about very soon, but their positive word went mostly unheard."
I'm not sure what fiction you mean. The word "fiction" is not an idiom -- it's a word and you can look in a dictionary to find it's meaning. There are too many idioms in works of fiction to name here. Click the related link to see some idioms.