不是吗 bùshìma isn't that so Origin Definitions Defs Strokes Stroke Words Sentences Sents 不是 bùshì verbparticle [question] Used at the end of a sentence or phrase to ask for confirmation, meaning "isn't that so?" or "right?"吗 嗎 ma particle question particle Used at the end of a sentence to turn it into a yes-or-no question or to express doubt or a rhetorical question.