Level 5 · word 9,452 of 20,000

arcane

/ˌɑːrˈkeɪn/ American
  • adj. 神秘的, 难懂的
Definition
  • adj. secret, mysterious, and difficult to understand
Example
The old manual was full of arcane legal terms.
那本旧手册里满是晦涩难懂的法律术语。