obtuse

slow to learn or understand

学习或理解缓慢

lacking intellectual acuity

缺乏智慧

so dense he nr understands anything I say to him

他太笨了，我对他说什么他都不懂

nr met anyone quite so dim

从没见过这么阴暗的人

although dull at classical learning, at mathematics he was uncommonly quick”- Thackera

虽然在古典学习上很枯燥，但在数学上却异常敏捷。——萨克拉

dumb officials make some really dumb decisions

愚蠢的官员做出一些愚蠢的决定

he was either normally stupid or being deliberately obtuse

他不是很笨就是故意装傻

worked with the slow students

和慢学生一起工作

dense

dim

dull

dumb

slow

lacking in insight or discernment

缺乏洞察力或洞察力

too obtuse to grasp the implications of his behavior

太迟钝，无法理解他的行为的含义

a purblind oligarchy that flatly refused to see that history was condemning it to the dustbin”- Jasper Griffi

一个一本正经的寡头，断然拒绝看到历史将其谴责到垃圾桶里

purblind

of an angle

角度

between 90 and 180 degrees

在90到180度之间

(of a leaf shape) rounded at the

（指叶子形状）顶端圆形