underliend的意思有：画线、画底线标出、强调、突现。

例句：

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。

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。