The diligent worker completed the challenging task efficiently.

Meaning: The sentence describes a worker who is working hard and carefully, and he or she finished or brought to an end a difficult or testing task in a way that does not waste time or effort.

Choice of Words: Diligent means working hard and carefully. Completed means finished or brought to an end. Challenging means difficult or testing. Efficiently means in a way that does not waste time or effort.

Alternative Expressions

Related Expressions

• The diligent worker completed the challenging task successfully.
• The diligent worker completed the challenging task.
• The diligent worker completed the difficult task.
• The diligent worker completed the task with great efficiency.
• The team successfully completed the challenging task.
• The diligent student completed the difficult task.
• The diligent worker completed their tasks on time.
• The diligent worker completed the project on time.
• The diligent worker completed the project before the deadline.
• The diligent worker completed the project ahead of schedule.