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

Cat's whiskers

To be highly impressive

The idiom "cat's whiskers" means to be highly impressive. It is often used to describe something that is very good, unusual, or outstanding. The idiom is thought to have originated in the 19th century, when cats were considered to be very independent and resourceful animals.

The other options for the meaning of the idiom are not as accurate.

• A very easy matter does not typically describe something that is impressive.
• To be very determined does not typically describe something that is impressive.
• Difficult to understand does not typically describe something that is impressive.