自行其是 zìxíngqíshì to go one's own way Definitions Defs Origin Strokes Stroke Words Sentences Sents 自行 zìxíng adverb by oneself To do something on one's own without relying on others; voluntarily; of one's own accord其 qí pronoun [third-person possessive] his; her; its; their; refers back to a person or thing mentioned previously是 shì verb correct right; true; just; often used in contrast with 非 fēi