英语什么时候用at什么时候用on

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on first acquaintance 用法解析on first acquaintance,用于描述“初次相识”的初始状态,兼具正式性与文雅感,是英语书面语与正式口语中的经典表达。 on first acquaintance核... 与at first sight、on first meeting等相当。 如: Even on first acquaintance it was clear that he was not ‘the right type’. 初次见面就看出他显然不...

egg sb on 用法解析源自古英语古方言动词 egg,本意是“煽动、怂恿、鼓动、唆使”。后来固化为固定短语 egg sb on,专门指在一旁怂恿、煽动、鼓动、唆使某人去做某事; 固定短语egg somebody on,语序不可随意调换。 He was lifting up handfuls of leaves and throwing them at her. She was laughing and e...

have pins and needles 用法解析该短语源自人体生理感受的直观比喻,人体肢体长时间受压、血液循环不畅时,会产生如同被细针扎刺一般发麻刺痛的体感,古人依据这种真实身体感受凝练出此表达,后固定为英语常用习语,与表心理焦虑的on pins and needles含义天差地别。常常指身体某部位发麻、麻木、酸胀、针刺感。...