四至 sìzhì four boundaries Definitions Defs Origin Strokes Stroke Words Sentences Sents sìzhì four boundaries · scope 四 sì numeral four the number four; complex form used for financial purposes is 肆 sì至 zhì conjunctionadverb to arrive (bound form) to arrive; to reachsìzhì to arrive from all sides 四 sì adverbnoun all around (in combination) used with two related terms to indicate various or all around, as in the expression sì xiāng bā zhèn meaning 'all the towns and villages'至 zhì conjunctionadverb to arrive (bound form) to arrive; to reach