Select the most appropriate meaning of the given idiom.

A piece of cake

A very easy task

The most appropriate meaning of the idiom "a piece of cake" is a very easy task.

The idiom is used to describe something that is so easy to do that it is almost effortless. For example, you might say that acing a test is a piece of cake for a very smart student.

The other options are not as accurate descriptions of the idiom.

• A hidden enemy is the meaning of the idiom "a wolf in sheep's clothing".
• A dangerous situation is the meaning of the idiom "a powder keg".
• A thoughtful mind is the meaning of the idiom "a deep thinker".