rein /reɪn/ ► SEE ALLrein inrein sth inrein sb/sth in●ˌrein ˈin●ˌrein sth ˈin ( ˌrein ˈback, ˌrein sth ˈbackless frequent) to pull on the reins of a horse (= the leather bands that go around its neck) to make it go more slowly or stop勒缰绳使（马）慢行（或止步）◆Felipe reined back and rode beside her. 费利普勒了勒缰绳，和她并排骑行。◆She reined in her horse and waited for John to catch up. 她勒住马等着约翰赶上来。[v + adv][v + adv + n][v + n/pron + adv]●ˌrein sb/sth ˈin ( ˌrein sb/sth ˈbackless frequent) to control sb or sth more strictly严格控制；严厉约束◆We need to rein in public spending. 我们需要严控公共开支。◆The new President is faced with the task of reining in the military. 新总统面临着严管军队的任务。◆He was unable to rein back his impatience. 他按捺不住自己的急躁情绪。[v + adv + n][v + pron + adv][v + n + adv] (less frequent)