有作用 yǒuzuòyòng effective Origin Definitions Defs Strokes Stroke Words Sentences Sents Showing: All meanings (2) All meanings 1 yǒuzuòyòng effective impactful 1 sentence 这种药对头痛没有作用。 zhè zhǒng yào duì tóutòng méiyǒu zuòyòng. This medicine has no effect on headaches. Source: Dong Chinese Dictionary