1·He was not a man of profound erudition, but he was a suave and unctuous speaker.
他不是一个人深刻的学问，但他是一个温文尔雅和油腻的发言。
2·I looked up doubtfully, and there, sure enough, on the rock of the sepulchre, was spread an unctuous and sooty mark, three feet or more across.
我满腹疑虑地抬头望去，果然，在墓室的顶上有一片三呎多宽的油腻乌黑的痕迹。