GbEng
军人在未获上级军官允许的情况下擅离职守。 Be away from duties without the permission of a superior officer.
她未请示上级擅自把所有这些请柬都发了出去. She issued all these invitations without any reference to her superiors.
对上级负责的;应负责任的 Responsible to higher authority; accountable.
你应该对长辈和上级尊重些. You should show greater respect for your elders and betters.