(of an immoral or illegal act or omission) intentional; deliberate (不道德或非法行为或遗漏)故意的,有意的,存心的 wilful acts of damage. 蓄意破坏行为。 ■having or showing a stubborn and determined intention to do as one wants, regardless of the consequences or effects 任性的,固执的,执拗的 the pettish, wilful side of him. 他任性固执的一面。