the sharpness of sth
The sharpness of the knife is impressive.
这把刀的锐利令人印象深刻。
锋利；尖锐
敏锐；机敏；敏锐度；辛辣；刺鼻；清晰；鲜明；急促；尖锐（语气）；刀刃的切割能力；锋利。
the quality of being sharp, as of a blade or a point
刀刃的切割能力；锋利。
the cutting ability of an edge; keenness.
敏锐的智慧
a quick and penetrating intelligence
尖端物体的锐度。
the fineness of the point a pointed object.
语调的紧迫感
the attribute of urgency in tone of voice
锋利的状态或结果。
The product or result of being sharp.
强烈的气味或味道特性
a strong odor or taste property
辛辣或酸味。
pungency or acidity.
清晰,焦点。
distinctness, focus.
敏锐或锐利。
acuteness or acuity.
Her sharpness in solving complex puzzles impressed everyone in the room.
她解决复杂谜题的敏锐让房间里的每个人都印象深刻。
用法提示：sharpness 在此句中意为‘敏锐’，指智力上的快速和穿透力。
AI contextual example
The detective's sharpness allowed him to spot the crucial clue that others missed.
侦探的敏锐让他发现了别人忽略的关键线索。
用法提示：sharpness 表示‘敏锐’，指洞察力。
AI contextual example
A chess player needs both patience and mental sharpness to anticipate an opponent's moves.
棋手既需要耐心又需要头脑的敏锐来预判对手的走法。
用法提示：sharpness 在此处指‘思维的敏锐’，与 patience 并列。
AI contextual example
The sharpness of the knife is impressive.
这把刀的锐利令人印象深刻。
指语气或态度上的严厉。
There was a sharpness in her tone.
她的语气中带着尖刻。
用于抽象能力或智力。
The sharpness of his wit kept the audience engaged.
他机智的敏锐让观众全神贯注。
多用于正式或医学语境，强调思维的敏锐度
特指商业或判断方面的敏锐，较正式
强调热情和兴趣带来的敏锐，较口语化
侧重反应速度，常用于日常
强调观察和理解深度，较正式
grammar · medium
易错句子This sword is very sharpness.
正确表达This sword is very sharp.
sharpness 是名词，而系动词后应用形容词，中文学习者受母语影响容易混淆词性。
grammar · medium
易错句子A sharpness of the knife is important.
正确表达The sharpness of the knife is important.
sharpness 为不可数名词，不能与不定冠词 'a' 连用；中文缺乏冠词系统，学习者常误用冠词。
针对 sharpness 表示“锋利”的义项；指刀刃、针尖等不锋利、不尖。不适用于“敏锐”或“辛辣”等义项。
Sharpness侧重思维的机智敏锐和言辞的尖锐；acuity侧重感官或思维的敏锐程度。
Sharpness强调思维的穿透性和尖锐；keenness可指兴趣的强烈或思维的敏捷。
思维敏锐；头脑敏捷
Crossword puzzles can help maintain mental sharpness in older adults.
填字游戏有助于老年人保持思维敏锐。
图像清晰度
Image sharpness depends on both the lens quality and the camera settings.
图像清晰度取决于镜头质量和相机设置。
语气的尖刻；语调的急促
There was a sharpness of tone in her reply that made everyone pause.
她回答的语气带着一种尖刻，让大家都愣住了。
刀刃的锋利度
Regular honing maintains blade sharpness.
定期磨刀可保持刀刃锋利度。
味道的强烈；味觉的刺激感
The sharpness of flavor in the dressing comes from the lemon juice.
调味汁味道的刺激感来自柠檬汁。
sharp（锋利的/敏锐的） + -ness（名词后缀，表性质/状态）；同根词：sharp（锋利的）、sharply（锋利地；严厉地）、sharpen（使锋利）、sharpener（磨具；卷笔刀）
sharpness 常用来描述刀刃的切割能力，刀刃是体现锋利程度的主要物体。
刀是依赖 sharpness 的典型工具，其锋利程度直接影响使用效果。
剪刀同样依靠 sharpness，锋利的刀口让剪切更顺畅。
sharpness 也可指尖细物体末端的纤细程度，如针尖或笔尖。
sharpness 也用来形容强烈或刺激的气味，scent 是它常见的描述对象。
思维敏锐；头脑敏锐
Her sharpness of mind made her an excellent chess player.
她思维敏锐，这使她成为一名出色的棋手。
机智敏捷；才思敏捷
The audience admired his sharpness of wit during the debate.
观众们欣赏他在辩论中的机智敏捷。
言语刻薄；说话尖刻
His sharpness of tongue often offended his colleagues.
他言语刻薄，常常得罪同事。
Dictionary facts from ECDICT, WIKTIONARY.