The detective solved the mystery with keen observation.
Meaning: This sentence describes how a detective used careful attention and observation to solve a difficult case.
Choice of Words: Detective is a person whose job is to investigate crimes. Solved means to find the answer or explanation to a problem or puzzle. Mystery refers to something that is difficult or impossible to understand or explain. Keen means very sharp or alert. Observation is the act of paying close attention to something. Together, they describe the detective's skill in solving mysteries.
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Related Expressions