此事体大 cǐshìtǐdà serious matter Origin Definitions Defs Strokes Stroke Words Sentences Sents 此事 cǐshì nounpronoun this matter this matter; this affair体 體 tǐ noun form (bound form) the form, state, or shape of a substance, such as a solid or liquid; the configuration or structure of an object大 dà adjective big big; large; great; vast; high in scale or intensity; (of a person) old; adult