Question

illegal 【ILLEGAL】He was arrested for the illegal sale of guns. 他因非法贩卖枪支而被捕。【重点词汇】illegal adj. 不合法的 反: lawful

Accepted Answer

[ɪ'liːɡl] 
illegalprohibited by law or by official or accepted rules
Something illegal is against the law or breaks the rules. If you're reading this in jail, you've probably done something illegal, and if you're not in jail, there's plenty of time to obey the law.
You can use the adjective illegal to describe breaking the rules, as when you head-butt someone in a game. Acts that go against the law, such as robbing a bank, are also illegal. There is a wide range of things called illegal, from small acts to big ones, but no matter the seriousness, if it is against the law, it is illegal. This adjective also describes people who enter countries without official government approval, they are called "illegal immigrants" or "illegal aliens."
All forms of 'illegal' will appear on average once every 387 pages.illegaliseillegalityillegalizeillegallyillegallegallegaliselegalismlegalitylegalizelegallynonlegallegalisationlegalization

Front	illegal
Pron	[ɪ'liːɡl]
Back	【ILLEGAL】 He was arrested for the illegal sale of guns. 他因非法贩卖枪支而被捕。【重点词汇】 illegal adj. 不合法的反: lawful
Vocab	illegalprohibited by law or by official or accepted rules Something illegal is against the law or breaks the rules. If you're reading this in jail, you've probably done something illegal, and if you're not in jail, there's plenty of time to obey the law. You can use the adjective illegal to describe breaking the rules, as when you head-butt someone in a game. Acts that go against the law, such as robbing a bank, are also illegal. There is a wide range of things called illegal, from small acts to big ones, but no matter the seriousness, if it is against the law, it is illegal. This adjective also describes people who enter countries without official government approval, they are called "illegal immigrants" or "illegal aliens." All forms of 'illegal' will appear on average once every 387 pages. illegalise illegality illegalize illegally illegal legal legalise legalism legality legalize legally nonlegal legalisation legalization

Illegal Law Official Jail Adjective Acts Called ɪ'Liːɡl