时间: 2025-04-26 17:23:46
美: ['ʃɑrpən]
英: ['ʃɑːp(ə)n]
vt. 削尖;磨快;使敏捷;加重
vi. 尖锐;变锋利
最后更新时间:2025-04-26 17:23:46
词源分析:sharpen 来源于古英语 "scearpian",其词根 "sharp"(尖锐的)加上动词后缀 "-en"(使...变得)。"sharp" 的词根本身可以追溯到原日耳曼语,意指尖锐或锋利。
历史背景:该单词的首次使用可以追溯到中世纪时期,常见于工具制造和烹饪等相关领域。
课本:在**的教材中,sharpen 可能出现在初中或高中英语教材中。在牛津和美国的教材中,通常出现在初中英语(7-9年级)和高中英语(10-12年级)中,特别是在涉及日常生活和技能的单元中。
正式与非正式语境:
特殊场合:
I need to sharpen my knife before cooking.
我需要在做饭前把刀削锋利。
She is trying to sharpen her skills in public speaking.
她正在努力提高自己的公众演讲技巧。
The teacher asked us to sharpen our arguments in the essay.
老师要求我们在论文中增强论点。
The company aims to sharpen its marketing strategy this year.
公司今年旨在优化其市场营销策略。
He used a whetstone to sharpen the blade.
他用磨刀石来削尖刀刃。
*. To succeed, we need to sharpen our focus on customer needs.
要成功,我们需要明确关注客户需求。
同义词:
反义词:
通过以上内容,学*者可以更深入地理解并记忆 "sharpen" 这个单词。
[V-T/V-I] If your senses, understanding, or skills sharpen or are sharpened, you become better at noticing things, thinking, or doing something. 使敏锐; 增强
例:Her gaze sharpened, as if she had seen something unusual.她眼睛一亮,好像看到了不寻常的东西。
例:He will need to sharpen his diplomatic skills in order to work with Congress.他将需要增强外交技巧以与国会打交道。
[V-T] If you sharpen an object, you make its edge very thin or you make its end pointed. 使变锋利; 弄尖
例:He started to sharpen his knife.他开始磨刀。