681. be on good/bad terms with 关系好(不好)
682. thank sb. for sth. 因…感谢某人
683. think of(=have the idea of)想到;(=consider)考虑; (=remember)想起
684. on second thoughts 经再三考虑之后
685. be through with (=finish with) 做好,完成
686. at one time 过去一度, 以前曾经
687. behind the times (思想,看法)落后于时代；behind time (=late) 迟到, 晚点
688. for the time being (=temporarily)暂时
689. in time(for) (=early or soon enough)及时；on time (=punctually) 准时
690. at no time 无论何时也不…；in on time (=very quickly) 立即,马上
691. at times (=occasionally) 间或, 时常 ；at all times (=always) 始终, 总是
692. at a time 一次, 每次; 同时
693. on top of 在…上面
694. in total (=all have been added up) 总计
695. be in touch with 与…有接触, 有联系；be out of touch with 与…没有联系或接触
696. be true of适合于…的;be true to 忠于…
697. to trust …to 把…委托给
698. place (put, have) trust in 依赖
699. in truth 事实上, 实在
700. by turns 轮换地
701. in turn (=successively; in order) 依次
702. be typical of 是…的特点
703. for use 以便使用
704. be in use (=be used)被使用; be out of use (=be on longer used)不再被使用
705. be used to+名词或动名词 : 习惯于 ；used to+动词原形 : 过去常常(做)
706. be unprepared for 对…无准备的
707. in vain (=uselessly) 徒劳
708. be valid¹ for 对…有效的
709. in the vicinity² 在附近; in close vicinity to 在靠近…的地方; in the vicinity of 大约
710. with a view to +动名词 (=in order to do sth.) 以…为目的
711. in view (=in sight) 看得见
712. in view of (=considering) 考虑到…；in the view of 按…的意思
713. by/in virtue³ of (=as a result of, by means of) 由于…; 依靠…力量
714. a warning against 告诫…不要；a warning of 警告…存在…
715. (be) on the watch for不断监视看有没有..；(be) on the watch against不断监视为防范…
716. be in the way (=obstructive) 碍事, 阻碍
717. (be)under way (=moving forward)正进行
718. by way of (=by going through) 经由,取道
719. by the way(=in addition)顺带地(转移话题)
720. in no way 无论怎样也不…