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Keenness

“Keenness” 是形容词 “keen” 的名词形式。它有两个主要的含义维度:一是精神层面的,指对某事表现出的强烈兴趣、热情或渴望;二是生理或感官层面的,指目光的敏锐、听觉的灵敏、智力的过人,或者刀刃的锋利。

  1. “The manager was impressed by the new recruit’s keenness to learn.” (经理对新员工的学习热忱印象深刻。)
  2. “Her keenness of mind allowed her to solve the puzzle in minutes.” (她敏捷的思维使她能在几分钟内解开谜题。)
  3. “The keenness of the cold air made our faces tingle.” (凛冽的寒风让我们的脸感到刺痛。)

源自 “keen”(敏锐的、热心的)。“keen” 源自古英语 “cene”,原意是“勇敢的、博学的”。

  • 词根: keen (敏锐的,热衷的)
  • 后缀: -ness (名词后缀,表示状态或性质)

在英国英语中,“keen” 是一个非常积极的褒义词。如果你说某人 “keen”,通常意味着他们工作努力、积极主动。在运动中,“keenness” 也是衡量一个运动员竞技状态的重要指标。

  • 相关词汇: keen (形容词), keenly (副词)

想象一把锋利的刀(keen blade)和一双充满渴望的眼睛。不管是生理上的锋利还是精神上的渴望,都属于 “keenness”。

“Young Leo had a remarkable keenness for astronomy. While other children were playing football, he was spending every clear night in his backyard with a telescope. This keenness was not just a hobby; it was a passion that led him to discover a new comet before he even finished high school.” (年轻的利奥对天文学有着惊人的热忱。当其他孩子在踢足球时,他每个晴朗的夜晚都在后院用望远镜观察。这种热忱不仅仅是一个爱好;这是一种热情,引导他在高中毕业前就发现了一颗新彗星。)