挑战性

挑戰性
tiǎozhànxìng

something's challenging nature

Wiktionary

Entry Composition

1 挑战 tiǎozhàn
  1. to challenge
  2. challenge
2 性 xìng
  1. nature
  2. character
  3. property
  4. quality
  5. attribute
  6. sexuality
  7. sex
  8. gender
  9. suffix forming adjective from verb
  10. suffix forming noun from adjective, corresponding to -ness or -ity
  11. essence

classifier: 個