以至 yǐzhì to the extent Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: up to All meanings 2 yǐzhì 2 to the extent 1up to 1 1 sentence for 以至 (yǐzhì — up to) 从老师以至学生,每个人都参加了这次活动。 cóng lǎoshī yǐzhì xuésheng, měi gè rén dōu cānjiā le zhècì huódòng. Everyone, from the teachers to the students, participated in the activity. Source: Dong Chinese Dictionary