1、意思：在(词语等下)画线;画底线标出;强调;突现，underline的过去分词和过去式。

2、双语例句：

（1）Her question underlined how little she understood him.

她的问题表明她多么不了解他。

（2）The report underlined his concern that standards were at risk

报告强调了他对道德水准可能会受影响所表示的关注。

（3）The growing problem is underlined in the latest issue of the Lancet

最近一期的《柳叶刀》杂志中强调了这一日益严重的问题。

（4）How badly the administration had lost its bearings was underlined by what happened yesterday.

管理之差从昨天发生的事情就可见一斑了。