meaning for 当面 dāngmiàn:

  • - to sb's face
  • - in sb's presence

shì
nàzhǒng那种
dāngmiàn当面
xiéjiānchǎnxiào胁肩谄笑
bèidìli背地里
zàoyáozhōngshāng造谣中伤
de
rén

He was the kind of person who would flatter you to your face, and then slander you behind your back.