Boorish refers to gross lack of breeding or to rudeness of manner; caddish refers to low-brow, presuming, mean, vulgar manners.

粗鲁是指严重缺乏教养或举止粗鲁； caddish 指低调、自以为是、刻薄、粗俗的举止。

If they find you with a naturally boorish or caddish mind, they cannot leave you so, as a technical school may leave you.

如果他们发现你天生粗野或粗鲁， 他们就不能离开你， 就像技术学校可能离开你一样。

A person with a boorish or caddish mind is one who is not fit companion to talk with because his interests are so narrowed down to the mean and vulgar things of life.

一个粗鲁或粗俗的人是不适合与之交谈的人，因为他的兴趣是如此狭窄，只限于生活中卑鄙和粗俗的事情。