Level 6 · word 19,815 of 20,000

unaccountable

/ˌʌnəˈkaʊntəbəl/ American
  • adj. 无法解释的, 无责任的
Definition
  • adj. impossible to explain, or not responsible for something
Example
His sudden disappearance remained completely unaccountable to everyone.
他的突然失踪对每个人来说都完全无法解释。