A dime a dozen tiqilib yotibdi, bir tiyinga qimmat New York camera stores are a dime a dozen Plsatic toys like this are a dime a dozen a walk in the park

Know someone from Adam (not) (fig) biror kishini taniy olmaslik, bilmaslik, biror kishi haqida tassavurga ham ega bo‘l maslik.

1. 
   Who is that speaking at the sta ge? Is it the chairman? 1 do not know him from Adam.
   
2. 
   A strange woman approached us at the train station. I assumed by thc way shegreeted us thatshe was Mrs. Smith whom we were sup posed to meet. It was hard to tell since we did not know Mrs. Smith from Adam.
   

Know someone or something like the palm of one's hand (know someone or something like the back of one's hand/ know someone or something like a book (fig) biror kishini yoki narsani besh qo'ldek bilmoq, biror kishini, narsani juda yaxshi bilmoq.

1. 
   Ofcourse, I know John. I know him like the back ofmy hand.
   

1. 
   know him like a book.
   

3. 
   John knows that place like the palm ofhis hand.
   

Know the ropes (fig) biror ishni ipidanignasigacha bilmoq, yaxshi, mukammal bilmoq.

1. 
   can not do thejob because I do not know the ropes.
   

2. 
   Ask Sue to do it. She knows the ropes better than I do.
   

Know where one is coming from (fig) biror kimni nima demoqchiligini, maqsadini tushun moq, anglamoq.

1. 
   I know where you are coming from. So how can I help you?
   
2. 
   We all know where he is coming from. That is why we are so worried.
   

Know which is which (tell which is which) farqini bilmoq, birbiridan ajrata olmoq, qaysi biri yaxshiligini bilmoq.
1.1 have an old and a new one, but I do not know which is which.
2. I know that Johnny and John are twins, but I can not tell which is which.
Know which side one's bread is buttered on (fig) foydani, nafni qaydan kelayotganini bilmoq, tushunmoq, biror kishiga nima manfaatligini, foydaliligini bil.

1. 
   I think you do not know which side your bread is buttered on.
   
2. 
   If John knew which side his bread is buttered on, he would be there on time.
   

Known fact hammaga ma'lum, hamma biladigan, omma tomonidan qabul qilingan.

1. 
   It is a known fact that John was in Chicago on the night ofthe murder.
   
2. 
   It is a known fact that Tashkent is the capital ofUzekistan.