verb🔗Share擅自，胆敢。 With infinitive object: to be so presumptuous as (to do something) without proper authority or permission."He presumes to advise the CEO on financial matters, even though he's just an intern. "他只是个实习生，却胆敢给首席执行官提财务方面的建议，真是擅自妄为。lawactionattitudeChat with AIVocabulary GamePractice Reading
verb🔗Share擅自，冒昧。 To perform, do (something) without authority; to lay claim to without permission."The new intern presumes to answer the phone using the manager's title before being given permission. "新来的实习生未经允许，就擅自用经理的头衔接电话，真是冒昧。actionlawrightstateChat with AIVocabulary GamePractice Reading
verb🔗Share假定，假设。 To assume or suggest to be true (without proof); to take for granted, to suppose."Dr. Livingstone, I presume?"想必您就是利文斯顿博士吧？attitudemindphilosophyactionstatementlogicChat with AIVocabulary GamePractice Reading
verb🔗Share擅自， 冒昧， 胆敢。 To be presumptuous; with on, upon, to take advantage (of), to take liberties (with)."He presumes on my kindness by constantly asking for favors without ever offering help in return. "他总是仗着我的好心，不断地求我帮忙，却从来不肯帮我，真是太冒昧了。attitudecharactermoralactionhumanChat with AIVocabulary GamePractice Reading
