1. The carpenter cut the wood at an obtuse angle.
木匠以钝角切割了木头。
2. He is often referred to as an obtuse individual because of his lack of understanding.
由于他缺乏理解力，他经常被称为愚钝的人。
3. The knife is too blunt and obtuse to cut through the steak easily.
这把刀太迟钝了，很难轻易切透牛排。