PREFIX
(用于以 l 开头的单词前,构成反义词)表示“不”,“非”,“无”
Il- is added to words that begin with the letter 'l' to form words with the opposite meaning.
例句
...an awful illegible signature...
字迹潦草、难以辨认的签名
He could face a charge of illegally importing weapons.
他可能面临非法进口武器的指控。