剑桥词典someone who behaves in an uncontrolled or unexpected way and is likely to cause problems for other people 喜歡惹是生非的人，愛招惹麻煩的人；擧止無法預料的人 He's seen as something of a loose cannon by other team members . 在其他隊員看來，他是個有點愛惹麻煩的人。 返回 loose cannon