at first sight 乍一看,初看起来 at hand 在手边,在附近
at heart 内心里,本质上 at home 在家,在国内
at intervals 不时,每隔... at large 大多数,未被捕获的
at least 至少 at last 终于
at length 最终,终于 at most 至多,不超过
at no time 从不,决不 by accident 偶然
