标题用粗体字母书写以强调。

The headline is written in ___bold letters for emphasis.

在小册子中，关键点用粗体文本突出显示。

In the brochure, key points are highlighted in ___bold text.

他用一种难以忽视的鲜艳蓝色粉刷了墙壁。

He painted the wall with a ___bold blue color that was hard to miss.