Unauthorized arbitrarily unbidden do sth. without authorization take the liberty arrogate to oneself do sth.without authorization
They´re resentful that outsiders presume to meddle in their affairs.
他们对外人擅自干预他们的事务非常愤慨。
—— 柯林斯例句Knox had taken it on himself to choose the wine.
诺克斯擅自作主,选了葡萄酒。
—— 柯林斯例句They earn their living by squatting the land and sharecropping.
他们靠擅自占用土地,按种地的收益分成为生。
—— 柯林斯例句You can´t simply wander around squatting on other people´s property.
你不能这样到处乱窜,擅自占用别人的地产。
—— 柯林斯例句Young workers are more willing to desert jobs they don´t like.
年轻职工对不喜欢的工作更易擅自离职。
—— 柯林斯例句