of·fend·erBrE/əˈfendə(r)/NAmE/əˈfendər/noun(ratherformal) apersonwhocommitsacrime犯罪者；违法者；罪犯◆apersistent/serious/violent, etc. offender惯犯、重犯、暴力犯等◆ayoungoffenderinstitution青少年罪犯管教所➡ see alsofirst offender, sex offenderapersonorthingthatdoessthwrong妨害…的人（或事物）◆Whenitcomestopollution, thechemicalindustryisamajoroffender. 谈到环境污染问题，化工产业是一大祸害。