The man works diligently on his project.

Meaning: This sentence describes a situation where an adult male human being is engaged in a task or activity with dedication and persistence.

Choice of Words: Man refers to an adult male human being. Works means engaging in physical or mental effort to accomplish a task or produce something. Diligently indicates a careful, persistent, and dedicated manner of working. On is used to indicate the focus or subject of the work. Project refers to a planned undertaking or piece of work, typically involving research or design.

Alternative Expressions

Related Expressions