Hitherto he had been utterly ignorant of it, but now it beat full in his face.

他从前是一直没有经验过的，可是，现在整个迎着他的脸上袭了来。

youdao

From the beginning to be utterly ignorant of I have to beat many of the same age small player.

从开始的一窍不通到现在我已经能打败许多同龄的小选手了。

youdao

We're all familiar with inflation and its adverse effects, but we're utterly ignorant of its sister disease, deflation.

FORBES: Fact and Comment

Then the horror sets in when you realize that even as utterly ignorant as you are, you know more and have thought about this issue more deeply than just about anyone in a position of power in politics or business.

FORBES: Childless Keynesians And The Future They Made

In June the Duke of Cambridge spoke out against the illegal trade in rhino horn, calling those who take part in it "ignorant, selfish and utterly wrong".

BBC: Black rhino threat: Poachers target Kent wildlife parks