红黑名单

1. • whitelist and blacklist, i.e. 红名单 hóngmíngdān and 黑名单 hēimíngdān

Character by character

• 红(hóng)surname Hong
• 黑(hēi)short name for Heilongjiang 黑龙江 hēilóngjiāng
• 名(míng)name
• 单(dān)bill