I saw it clearly -- all a dull blue, with a horrible veil over it that chilled my bones;

VOA: special.2009.05.16

Now, it is possible to have sense without the sound of sense pass muster but makes very dull reading) and the sound of sense without sense .

这真是一个有野心的人哈，现在，没有感性的声音也可以做到,像点名很无聊,感性的声音没有感觉,就像在爱丽丝漫游奇境中，这让一切只剩沉闷的阅读。

耶鲁公开课 - 现代诗歌课程节选

for I want to know"; here a desire expressed between two people, a husband and a wife.] She turned and sank upon her skirts at that, ] And her face changed from terrified to dull.

因为我想知道“,这里丈夫和妻子两个人的欲望表达得淋漓尽致],她转过去，从裙子里垂下来，像突然垮下来一样],她的脸从惊恐变成了呆滞。

耶鲁公开课 - 现代诗歌课程节选

It was a low,dull,quick sound -- much a sound as a watch makes when enveloped in cotton.

VOA: special.2009.02.02

He's dull. He's uncouth and he's extremely human.

马尔斯呆板,粗俗,完全是个普通人

耶鲁公开课 - 欧洲文明课程节选

It was a low,dull, quick sound like a watch makes when inside a piece of cotton.

VOA: special.2009.05.16

His dull,blind eyes saw the end again as they had in the far off past.

VOA: special.2010.02.27

Narcotics,the most powerful drugs currently available to fight pain, simply dull the brain's perception of it.

VOA: standard.2010.05.04

But all these medications do is dull the brain's perception of pain.

VOA: standard.2010.05.04