il·le·gal /ɪˈliːɡəl/ a. | n. I a. 不合法的,非法的;违反规则的 illegal possession of firearms 非法持有枪支 Marijuana is illegal in the United States. 大麻在美国是非法的。 Handball in soccer is unlawful, but not illegal. 足球中的手球犯规不犯法。 an illicit but not illegal love affair 不道德然不属非法的私通 II n. 1. 〈主美〉非法移民 2. 间谍,密探 What if he'd come as an “illegal”, with a long-term programme? 万一他是来当“坐探”的,而且还有长期活动计划,那该怎么办?