dāo jù dǐng huò
knife, saw and cauldron
ancient instruments of torture; fig. torture
刀
dāo
knife; blade; single-edged sword; cutlass (CL:把[ba3])
锯
jù
a saw (CL:把[ba3])
鼎
dǐng
ancient cooking cauldron with two looped handles and three or four legs
镬
huò
wok (dialect)