1knife; blade; single-edged sword; cutlass (CL:把)
2(slang) (loanword) dollar
3classifier for sets of one hundred sheets (of paper)
4classifier for knife cuts or stabs
5(Internet slang) to bargain; to ask for a small discount (esp. on second-hand marketplaces)
6(Internet slang) to knife (sb) (often used hyperbolically, as in 想刀他 "I could kill him!")