The detective's sharp mind and keen eye helped him crack the case.

Meaning: The detective was able to solve the mystery because he was intelligent and paid close attention to the details.

Choice of Words: Sharp means intelligent or quick-witted. Mind refers to the part of a person that thinks and feels. Keen means sharp or strong. Eye refers to the organ of sight.

Alternative Expressions

The detective's sharp mind and keen eye helped him crack the case.

Meaning: This sentence is about a detective who used their intelligence and observation skills to solve a case.

Choice of Words: **Detective**: A detective is a person who investigates crimes or mysteries. They use their skills to find clues and solve puzzles. **Sharp mind**: This means the detective is intelligent and can think clearly. **Keen eye**: This means the detective has good eyesight and can notice small details. **Crack the case**: This means the detective solved the mystery or crime.

The detective's sharp mind and keen eye helped him unravel the mystery.

Meaning: This sentence is similar to the first one, but it uses the word "unravel" instead of "crack the case". Both sentences mean the same thing.

Choice of Words: **Unravel the mystery**: This means the detective solved the mystery or puzzle.

The detective's clever brain and sharp eyesight helped him solve the puzzle.

Meaning: This sentence is also similar to the first one, but it uses different words to describe the detective's skills.

Choice of Words: **Clever brain**: This means the detective is intelligent and can think clearly. **Sharp eyesight**: This means the detective has good eyesight and can notice small details. **Solve the puzzle**: This means the detective found the answer to the mystery or puzzle.

Related Expressions