In the following question, out of the given four alternatives, select the alternative which best expresses the meaning of the Idiom/Phrase.

Draw a blank 

The correct answer is "To fail to get an answer or result."

Key Points

• An idiom is a group of words, or in other words, a phrase that has a meaning different from the literal meaning of the words in it.  
  • Example: "Under the weather" means feeling ill or getting a cold.
• The idiom 'draw a blank' means to fail to get an answer or result.
• It is often used in situations where someone is unable to recall a piece of information or solve a problem. 
  • Example: He asked me for my phone number and I drew a blank.

Hence, the correct answer is option 4.