adj .
unintentional 고의가 아닌 ; 부지불식간의 ; 알지 못하는

• When Leo agreed to hold open the door of the bank, he became an _____ accomplice to the bank robbery.
  레오가 은행 문을 열어두는 것에 동의했기 때문에 그는 자신도 모르는 새에 은행 강도를 도와준 셈이 되었다.
• My theft was _____ ; I hadn't meant to steel the car, but had unintentionally driven it away from the automobile dealership and parked it in my garage.
• On the camping trip, Josephine _____ly stepped into a bear trap and remained stuck in it for several days.