Explanation:

- The idiom "cakewalk" refers to something that is easy to achieve or accomplish.

- Option 1: Something tasty - This option suggests a connection to food but doesn't capture the idiom's meaning of simplicity.

- Option 2: Something easy - This is the correct meaning of the idiom "cakewalk," implying an effortless task.

- Option 3: Something sweet - While cakes are sweet, this option focuses on taste rather than effortlessness.

- Option 4: Something enjoyable - Although enjoyable tasks might be easy, this option focuses on pleasure, not ease.