blunt的基本意思是“把…弄钝”,引申则表示“减弱”,指减弱了心灵的创伤、悲痛或做某事的热情。

用作及物动词
▲S+～+n./pron.
If you cut the iron wire with a knife, you'll blunt its edge.如果你用刀砍铁丝,会使刀锋变钝的。
Time blunts the edge of sorrow.时间会减轻悲痛。

［同义词］ adj. direct, impolite, rude
［反义词］ adj. keen, sharp
［词源］＜中世纪英语blunt(愚蠢的,迟钝的)

blunt的基本意思是“不锋利的,钝的”,用于比喻则表示态度等“不客气的,率直的”。

用作定语
▲～+n.
He is sharpening a pair of blunt scissors with a whetstone.他在用磨刀石磨一把不锋利的剪刀。
She gave us a blunt refusal.她毫不客气地拒绝了我们。
用作表语
▲S+be+～
My pencil's blunt; can I borrow your sharpener?我的铅笔钝了,能借用你的削铅笔刀吗?
To be quite blunt,I think the government has made a complete mess of things.坦率地说,我认为政府把事情搞得一团糟。
▲S+be+～+prep.-phrase
His son is blunt in mind.他儿子反应迟钝。
She is rather blunt in speech.她说话很直率。
▲S+be+～+to-v
The ax is too blunt to cut down the tree.斧头太钝,砍不倒树。