dāo zi zuǐ ba , dòu fu xīn
lit. knife mouth but heart of bean curd; sharp tongue concealing a caring heart
刀
dāo
knife; blade; single-edged sword; cutlass (CL:把[ba3])
子
zi
noun suffix, as in 椅子[yi3 zi5] "chair"
嘴
zuǐ
mouth
巴
ba
the east of Sichuan and Chongqing Municipality
,
,
豆
dòu
legume; pulse; bean; pea (CL:顆|颗[ke1],粒[li4])
腐
fu
decay
心
xīn
heart