Level 6 · word 15,808 of 20,000

clueless

/ˈkluːləs/ American
  • adj. 一无所知的, 一窍不通的
Definition
  • adj. not knowing or understanding something at all
Example
He was completely clueless about how to fix the printer.
他对怎么修打印机完全一头雾水。