verb🔗Share擅自，胆敢 With infinitive object: to be so presumptuous as (to do something) without proper authority or permission."He presumed to use the company car for a personal trip without asking his manager. "他未经经理允许，就擅自用公司的车去私人旅行，真是胆大妄为。attitudeactioncharactermoralChat with AIVocabulary GamePractice Reading
verb🔗Share擅自， 冒昧。 To perform, do (something) without authority; to lay claim to without permission."He presumed to answer the teacher's question before being called on. "他擅自回答了老师的问题，都没等老师叫他。actionlawrightgovernmentChat with AIVocabulary GamePractice Reading
verb🔗Share假定， 认为， 推测 To assume or suggest to be true (without proof); to take for granted, to suppose."Dr. Livingstone, I presume?"我想这位就是利文斯顿博士吧？theoryphilosophymindlogicattitudeChat with AIVocabulary GamePractice Reading
verb🔗Share擅自，冒昧。 To be presumptuous; with on, upon, to take advantage (of), to take liberties (with)."He presumed upon his friendship with the boss and asked for a week off with no notice. "他仗着和老板的交情，没提前通知就擅自请了一周的假。attitudecharacterhumanmoralChat with AIVocabulary GamePractice Reading
adjective🔗Share假定的，推定的 Appearing to be the most probable, often with some preparations starting to be made for it."Since it was raining, the presumed location for the picnic was moved indoors, and the living room was already being arranged for it. "因为下雨，野餐的假定地点改到了室内，而且客厅已经在布置了。possibilityplanattitudeChat with AIVocabulary GamePractice Reading
