certain是什么意思

certain是什么意思

certain 英[ˈsɜ:tn] 美[ˈsɜ:rtn]adj. 某一; 必然的; 已确定的;pron. [动词用复数] 某些;常用短语：～+名词certain circumstance 某种情况certain extent 一定程度上certain reason 某种理由certain year 某年副词+～absolutely certain 绝对肯定almost certain 几乎可以肯定的nearly certain 几乎可以肯定的pretty certain 肯定的quite certain 相当有把握的totally certain 完全确信动词+～make certain 弄清楚〔明白,确实〕,落实make certain of the date of themeeting 把开会的日期弄清楚～+动词不定式certain to come 一定来certain to happen 一定要发生的certain to start 一定发生～+介词certain about 确信,深信,相信certain of 确信,深信,相信certain of success 肯定会成功例句：Are we certain he even had a seizure? 我们能确定他得的是癫痫吗?I am prepared to make certain concessions.我准备做某些让步。There was a certain hesitation in hermanner.她的态度有些犹豫不决。I'm certain I put the book on the table.我肯定是把书放在桌子上。I'm certain she saw me yesterday.我确信她昨天看到了我。