"Useless" is the Engpsh word for "无用的" in Chinese.

The word "useless" comes from the Old Engpsh word "wǣr" (meaning "worthless") and "lēas" (meaning "empty"). It was first used in the 14th century to describe something that is of no value or benefit.

Examples:

"This pen is useless, it doesn't even write." (这支笔没用，连字都不能写。)
"His attempts to fix the car were useless, it still doesn't work." (他试图修理汽车是无用的，它仍然不能工作。)
"She found the book to be useless, and didn't learn anything from it." (她觉得这本书没用，从中没有学到任何东西。)