Henry Hill, the gangster who was the inspiration for the 1990 film "Goodfellas, " opted out of the witness protection program, as did mob turncoat Sammy "the Bull" Gravano.
CNN: Inside the witness protection program
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。