ignorant
/ˈɪgnərənt; `ɪɡnərənt/ adj
1
(a) ~ (of sth)knowing little or nothing; lacking education or information; unaware 无知的; 愚昧的; 没有学识的; 不知道的
He's not stupid, just ignorant. 他并不蠢, 只是无知罢了.
To say you were ignorant of the rules is no excuse. 说自己不知道规则是不能成为藉口的.
(b) showing or resulting from lack of knowledge 显示无知的; 由无知而产生的
an ignorant stare, look, etc 茫然的凝视、 样子等.
2 (infml 口) rude through lack of knowledge about good manners 不识礼的; 粗野的; 没有礼貌的
His ignorantbehaviour at the dinner table caused much embarrassment.他在餐桌上举止粗鲁, 在座的人颇为难堪.