签字笔 qiānzìbǐ felt-tip pen Origin Definitions Defs Strokes Stroke Words Sentences Sents 签字 簽字 qiānzì verb + noun to sign To write one's name on a document, contract, or receipt to show responsibility or agreement; to affix a signature.笔 筆 bǐ noun pen writing or drawing instrument; pen; pencil; writing brush