1·In childhood, he had toured the market with the family cook; despite his boorishness, his background was aristocratic, and his father an officer at court.
他儿时就随家庭厨师逛遍了菜市；他举止粗鲁但却生出名门，父亲在曾供职于法院。
2·Unlike linguistic errors, native speakers often fail to recognize it as such and attribute it to boorishness or ill-will, which may do more harm to communication.
但是本族语者无法像语言错误那样加以辨别，而常将其归因于对方的粗鲁或是恶意，这一点对于交际尤为不利。