无用之树 wúyòngzhīshù useless person Origin Definitions Defs Strokes Stroke Words Sentences Sents 无用 無用 wúyòng adjective useless having no use; worthless or ineffective之 zhī particle [possessive] Connects a describing word or phrase to the noun it describes, similar to 的 de but used in formal or literary writing.树 樹 shù noun tree tree; various types of woody plants