0 not allowed by law -- 非法的，違法的
a campaign to stop the illegal sale of cigarettes to children under 16 禁止向16歲以下兒童非法銷售香煙的運動
Prostitution is illegal in some countries. 賣淫在某些國家是不合法的。
It is illegal to drive a car that is not registered and insured. 駕駛未註冊、未上保險的汽車是違法的。
Cocaine, LSD, and heroin are all illegal drugs/substances. 古柯鹼、迷幻藥和海洛因都是非法毒品。
1 someone who lives or works in another country when they do not have the legal right to do this -- 非法（在其他國家生活或工作）居民
The proposed change in the law would make abortion illegal except for strictly defined medical reasons.
It's illegal to discriminate against people on the basis of their sex.
For a teacher to hit a child is not just morally wrong but also illegal.
Several athletes tested positive for illegal performance-enhancing drugs.
It is possible that most of them are engaged in illegal felling of trees.
Do you believe that euthanasia has been performed in our country secretly, although it is illegal?
At the same time more attention needs to be directed to the policing of sandalwood theft and tougher sanctions against illegal trading activities.
