He is ignorant of this topic.

他对这个话题不懂。

They are ignorant of the local culture.

他们对当地的文化不懂。

I am ignorant of the content of this book.

我对这本书的内容不懂。

Xiao Ming is ignorant of historical knowledge.

小明对历史知识不懂。

She is completely ignorant of computer technology.

她对电脑技术完全不懂。

You are ignorant of the duties you undertake in marrying.

你完全不懂你在婚姻方面承担的责任.

He was ignorant of the world.

他不懂事,他不谙世故.

Thousands of students leaving school are ignorant of even basic skills.

成千上万快毕业的学生甚至连一些基本技能也不懂.

She was an odd fish, ignorant of common life, fond of rudely opposing established opinions.

她是个怪人, 不懂日常的社交生活, 喜欢粗鲁地反对既定的见解.

We are ignorant of their plans.

我们对他们的计划不知情。