刀口

dāokǒu
  1. the edge of a knife
  2. cut
  3. incision

CEDICT

  1. crucial point; right sport
  2. cut; incision
  3. edge of a knife

Wiktionary

  1. 刀刃。
  2. 比喻十分紧要或危险的地方。

重編國語辭典

Entry Composition

1 刀 dāo
  1. (slang) (loanword) dollar
  2. classifier for sets of one hundred sheets (of paper)
  3. classifier for knife cuts or stabs
  4. (Internet slang) to bargain; to ask for a small discount (esp. on second-hand marketplaces)

classifier: 把
2 口 kǒu
  1. mouth
  2. classifier for things with mouths (people, domestic animals, cannons, wells etc)
  3. classifier for bites or mouthfuls

Related entries

刿 guì
  1. cut
  2. injure
斸 zhǔ cut
伤口 shāngkǒu
  1. wound
  2. cut
伤口流血不止。

The wound will not stop bleeding.

Source: Tatoeba

劖 chán
  1. bore
  2. cut
  3. polish
栔 qì
  1. carve
  2. cut
口子 kǒuzi
  1. hole
  2. opening
  3. cut
  4. gap
  5. gash
  6. my husband or wife
  7. classifier for people (used for indicating the number of people in a family etc)
  8. precedent
割伤 gēshāng
  1. to gash
  2. to cut
  3. gash
  4. cut
汤姆割伤了自己。

Tom cut himself.

Source: Tatoeba

切口 qiēkǒu
  1. incision
  2. notch
  3. slit
  4. gash
  5. margin of a page
  6. trimmed edge (of a page in a book)