及物动词
1. The child lags his peers in intellectual development.
这孩子在智力发展方面比同龄人迟缓。
不及物动词
1. Some of the runners in the race began to lag.
参加比赛的运动员中有一些开始落后了。
2. Production lagged and unemployment rose.
生产减少,失业增加。
3. The children were tired and lagged behind their parents.
孩子们累了,落在了他们的父母亲身后。
名词
1. There was a long lag in forwarding mail to us.
邮件转送我们前已有好长一段时间的耽搁。