知识点讲解:
illegal 非法的;违法的;
例句:
It is illegal to intercept radio messages.
窃听无线电信息是违法的。
illegal 的副词形式为 illegally,意为“非法地”,例如:He was convicted of illegally using a handgun. 他被判非法使用手枪。illegal 的反义词为 legal,意为“合法的”,例如: We engage you as a legal adviser. 我们聘请你当法律顾问。