illicit

adj.

法律不许可的，非法的；不正当的；

1. The police chief was talking about the illicit sale of drugs.
   警长在讲毒品的非法贩卖。
2. Illicit trades should be outlawed.
   非法交易应被取缔。
3. He makes a lot of money by traffic illicit merchandise.
   他做违禁商品买卖赚了许多钱。
4. He had an illicit association with Jane.
   他和简曾有过不正当关系。

Illicit Transport: The Oligopeptide Permease
Does cannabis use encourage other forms of illicit drug use?
Extent of illicit drug use and dependence, and their contribution to the global burden of disease
Non-destructive terahertz imaging of illicit drugs using spectral fingerprints.
Illicit drug use comparative quantification of health risks: Global and regional burden of disease attributable to selected major ri...
Matrix effect in bio-analysis of illicit drugs with LC-MS/MS: influence of ionization type, sample preparation, and biofluid
Childhood abuse, neglect, and household dysfunction and the risk of illicit drug use: the adverse childhood experiences study
The efficacy of methadone maintenance interventions in reducing illicit opiate use, HIV risk behavior and criminality: a meta-analys...
Psychological and social sequelae of cannabis and other illicit drug use by young people: a systematic review of longitudinal, gener...
The removal of pharmaceuticals, personal care products, endocrine disruptors and illicit drugs during wastewater treatment and its i...