谗谄 (讒諂) chánchǎn

chánchǎn verb to defame one person while flattering another; to flatter
Domain: Literary Chinese 文言文 , Subdomain: , Concept:
Notes: In the sense of useing denigration of one person to flatter another (CC-CEDICT '讒諂'; Guoyu '讒諂'; Mathews 1931 '讒諂', p. 17)