| 释义 |
stool pigeonBrE /ˈstuːl pɪdʒɪn/ NAmE /ˈstuːl pɪdʒɪn/ noun (informal ) a person , especially a criminal , who helps the police to catch another criminal , for example by spending time with them and getting secret information (向警察提供情报的)线人,内线SYN informer |