as of 1. 〈美〉自…起 (= as of from) The new contract takes effect as of July 1. 新合同7月1日起生效。 Notification letters had been delivered to 19 persons as of mid-July. 自7月中旬以来，已向19人发出通知书。 2. 直至；在…时 Following is an analysis of the situation as of this date. 到今天为止的形势分析如下。 I'm supposed to be there as of fifteen minutes ago. 我在15分钟前就该到达那里了。