a.

1. 無知的，不學無術的；沒有受教育的
   They are ignorant but not stupid and will learn quickly.

   他們沒有受過教育，但並不愚笨，學起來長進會很快。

2. 不知道的[F][（+of/about）][+that]
   He is ignorant of what happened.

   他不知道發生了什麼事。

3. 無知造成的；顯示無知的
   an ignorant remark

   無知的話

adj.

1. lacking knowledge or awareness in general.
   ▸ (often ignorant of) uninformed about or unaware of a specific subject or fact.
2. informal discourteous.
3. black English easily angered.