1.
Mostly he thought about his mentally arrested son--his only son--in the next room.
今晚他挂念的是在隔壁房间里精神迟钝的儿子——他的独子。
2.
A toxic condition caused by the chronic overuse of bromides, characterized by mental dullness, loss of muscular coordination, and sometimes skin eruptions.
溴中毒由长期过量使用溴化物而引起的中毒状态，症状是精神迟钝、肌肉协调能力丧失，有时出皮疹
3.
A state of mental or physical inactivity or insensibility.
麻痹，麻木精神或肉体上的反应迟钝或感觉迟缓的状态
4.
(of a person)lacking purpose or spirit;ineffectual,indecisive or dull
（指人）无目的的,无精神的,不能胜任的,不果断的,迟钝的
5.
Even in mentally healthy people, being unable to forget can dull the mind and generate misery.
即使是精神健康的人，如果无法忘记也会使大脑迟钝并遭受折磨。
6.
Having no intellectual, emotional, or spiritual excitement; dull.
缺乏创见的，单调乏味的没有智力、感情或精神的兴奋的；迟钝的
7.
Mental dullness is prominent, and delirium may occur.
神志迟钝加甚，且可发生谵妄。
8.
blunted in responsiveness or sensibility.
反应迟钝的，感觉迟钝的。
9.
"Without surgery to divert the excess fluid into the Blood or abdomen, accumulating fluid eventually compresses the Brain, causing convulsions, mental retardation, and death. "
若未经手术将积水转至血液或腹部,过多的液体会压迫脑部,引起惊厥、精神发育迟钝及死亡。
10.
He was slow (quick) to react.
他反应迟钝(灵敏)。
11.
keen [dull] sense of smell
敏锐[迟钝]的嗅觉
12.
When she was still, there was a passivity about her, or a deception of passivity, that was not really passive at all.
她在静止的时候身上带着点迟钝的神气，那是一种迷惑人的假象，其实她一点也不迟钝。
13.
psychomotor retardation
心理动作迟钝 心理动作迟钝
14.
A dull member of the audience could never anticipate the tag line of a joke before it was spoken.
迟钝的听众决不能预先猜到一个笑话的精彩结束语。
15.
Perhaps his nerve is naturally too dull to admit of any excitation.
大概他的神经天生就很迟钝以至不容有任何刺激的余地。
16.
Perhaps his nerves were naturally too dull to admit of any excitation.
大概他的神经天生就很迟钝以至不容有任何刺激的馀地。
17.
His teacher described him as“6) mentally slow, unsociable and adrift forever in his foolish dreams.
他的老师是这样描述他的：“迟钝，不合群，神思恍惚，老在做白日梦。
18.
was considered slow.
被认为是一个迟钝的人。