If someone say that something is "all Greek" to them, it means they don't understand.
"To be" is not an idiom - it's a verb.
If something is beyond all question then there is no chance that it is wrong.
Pest is not an idiom. It's a word.
The idiom "apple shiner" means the teacher's pet.
The meaning of the idiom suck it up is to stand up or stand tall amidst all troubles. It can also be reversed as "compose yourself", "bear your troubles", and "go on".
"To be" is not an idiom - it's a verb.
berate someone
The idiom "it's Greek to me" means that something is difficult to understand or incomprehensible. It originates from the idea that Greek language and writing were perceived as complex and foreign to non-Greek speakers.
putting all your cards in the table
Yes, it is an adverbial phrase. The phrase "after all" is an idiom meaning "nevertheless."
No it is not. It is, however, an idiom in Hebrew, usually translated as "in the beginning".
If something is beyond all question then there is no chance that it is wrong.
Pest is not an idiom. It's a word.
The idiom "apple shiner" means the teacher's pet.
The meaning of the idiom suck it up is to stand up or stand tall amidst all troubles. It can also be reversed as "compose yourself", "bear your troubles", and "go on".
The meaning of the idiom in the pink of health means being in good health.
It depends on how you use it. If you mean literal colors, then it's not an idiom. If you say something like "It's all there in black and white," then it's an idiom meaning that something is printed.