not know which way to turn
not know which way to jump
To be puzzled about getting out of a difficulty; not know what to do to get out of trouble.
Не знать как выбраться из трудной ситуации, избавиться от проблем.
When Jane missed the last bus home, she didn't know which way to turn.
After Mr. Brown died, Mrs. Brown had no money to pay the bills. When the landlord told her to pay the rent or move out, she didn't know which way to jump.
I had no home, no money, and I didn't know which way to turn.
У меня нет ни денег, ни дома и я понятия не имею, что делать!
not to know one from Adam
To not know a person; be unable to recognize someone.
I have no idea who that guy is that Jane just walked in with; I don't know him from Adam.
not to know the first thing about
To be totally ignorant about a certain issue.
Al assured us that he didn't know the first thing about Mary's whereabouts.
not to know what to make of
To be unable to decipher; be unable to identify; not know how to decide what something really is.
I got a mysterious letter asking me to meet Santa Claus at 6 P.M. at the supermarket. Is this a joke? I don't know what to make of it.
not to know whether one is coming or going
To be completely confused.
He was so perplexed he didn't know whether he was coming or going.
the ropes
know the ropes
learn the ropes
teach the ropes
Thorough or special knowledge of a job; how to do something; the ways of people or the world.
On a newspaper a cub reporter learns his job from an older reporter who knows the ropes.
When you go to a new school it takes a while to learn the ropes.
Betty showed Jane the ropes when she was learning to make a dress.
Mr. Jones was an orphan and he had to learn the ropes when he was young to make his way in the world.
The job applicant didn’t have much previous experience or knowledge, but she seemed intelligent enough to learn the ropes quickly.
It took the new schoolteacher a year to learn the ropes regarding administrative and curricular matters.
the score
know the score
The truth; the real story or information; what is really happening; the way people and the world really are.
Very few people know the score in politics.
You are too young to know the score yet.
What's the score anyhow? When will the program begin?
to the best of one's knowledge
As far as you know; to the extent of your knowledge.
He has never won a game, to the best of my knowledge.
To the best of my knowledge he is a college man, but I may be mistaken.