in the first flush of
idiom在（情感、热情、成功等的）最初阶段；在…刚开始时
In the first flush of her new job, she volunteered for every project.
在新工作刚开始的热情中，她主动承担了每个项目。
冲洗；冲刷；（冲马桶的）冲水
先理解核心含义，再看它在真实句子里的用法。
冲洗；冲刷；（冲马桶的）冲水
A sudden rush or flow of water, especially one used for cleaning; the act of flushing a toilet.
The company was in the flush of success after launching the new product.
这家公司在新产品推出后处于成功的全盛时期。
突然从灌木丛、树木等中飞起的一群鸟。
A group of birds that have suddenly started up from undergrowth, trees, etc.
突然的流动；如水为清洁目的而充满或溢出的急流。
A sudden flowing; a rush which fills or overflows, as of water for cleansing purposes.
由地下水供给的沼泽或泥炭沼泽(可能是酸性或碱性,富营养或贫营养)；(最初尤其指苏格兰和英格兰北部)田野中的(沼泽)池塘或渗水
A groundwater-fed marsh or peaty mire (which may be acidic or basic, nutrient-rich or poor); (originally especially Scotland and Northern England) a (marshy) pool or seep, as in a field.
由同一花色的所有牌组成的手牌
A hand consisting of all cards with the same suit.
A healthy flush spread across her cheeks after she finished the race.
她跑完比赛后，脸颊上泛起了健康的红润。
She experienced a hot flush during the menopause transition.
她在更年期过渡期间经历了一次潮热。
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在（情感、热情、成功等的）最初阶段；在…刚开始时
In the first flush of her new job, she volunteered for every project.
在新工作刚开始的热情中，她主动承担了每个项目。
Use flush naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象抽水马桶“哗啦”一声冲水（flush），水涌出、脸红潮热都是突然一阵；鸟群惊飞也像水流轰然冲出。
语域：neutral 常见场景：日常对话（冲水、脸红）、医学/健康描述、技术文档（清除缓存等） 作为名词，通常用于日常交流，如冲水或脸红；在医学或技术语境中多用于书面描述。整体风格中性，正式或口语场合都可接受。
常用作可数名词，搭配介词 of 表示‘一阵’（如 a flush of anger）
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.