在英语学习的过程中，很多人会因为单词的记忆和单词辨析学习备受困扰，不管是没有方法还是不知道如何下手，都可能让英语学习者或者英语爱好者望而却步，甚至半途而废，这样做非常不明智，应该在充分理解单词的基础上尽可能掌握单词的应用和使用范围，从而更加理性地去理解这些单词，尤其是对于大学单词辨析方面的内容。
ask: 最普通用词，指向对方提出要求或请求，长、晚辈，上下级之间都可使用。文章源自西贝博客-https://qinghe.me/demand-require-request.html
举个例子：文章源自西贝博客-https://qinghe.me/demand-require-request.html
- Lawyers will take center stage in high school sports, filing lawsuits, defending lawsuits, threatening lawsuits, then ask for free tickets and free parking.— Eric Sondheimer Columnist, Los Angeles Times, 29 Dec. 2021
- 律师将在高中体育中占据中心舞台，提起诉讼，为诉讼辩护，威胁诉讼，然后要求免费门票和免费停车。
beg: 指恳切地或再三地请求或要求，常含低三下四意味，也多用于应酬场合。
文章源自西贝博客-https://qinghe.me/demand-require-request.html
举个例子：文章源自西贝博客-https://qinghe.me/demand-require-request.html
- While some viewers flock to her social media profiles on YouTube, Twitter, Instagram and the streaming service Twitch to beg her to seek treatment, others have accused her of using her platform to promote eating disorders to young people.— New York Times, 22 Oct. 2021
- 虽然一些观众涌向她在YouTube，Twitter，Instagram和流媒体服务Twitch上的社交媒体个人资料，恳求她寻求治疗，但其他人则指责她利用她的平台向年轻人宣传饮食失调。
demand: 一般指理直气壮地提出强烈要求，或坚持不让对方拒绝的要求。文章源自西贝博客-https://qinghe.me/demand-require-request.html
举个例子：文章源自西贝博客-https://qinghe.me/demand-require-request.html
- Or will demand resume its advance, perhaps testing the world’s ability to produce crude?— Joe Wallace, WSJ, 31 Dec. 2021
- 还是需求会恢复增长，也许会考验世界生产原油的能力？
require: 强调根据事业、需要或纪律、法律等而提出的要求。文章源自西贝博客-https://qinghe.me/demand-require-request.html
举个例子：文章源自西贝博客-https://qinghe.me/demand-require-request.html
- And people who are unvaccinated or at high risk for severe disease should be extra-vigilant for symptoms that might require emergency care.— Christal Hayes, USA TODAY, 2 Jan. 2022
- 未接种疫苗或重症高风险人群应对可能需要紧急护理的症状格外警惕。
request: 正式用词，指非常正式，有礼貌的请求或恳求，多含担心因种种原因对方不能答应的意味。文章源自西贝博客-https://qinghe.me/demand-require-request.html
举个例子：文章源自西贝博客-https://qinghe.me/demand-require-request.html
- Metro allows local governments to request name changes for stations within their boundaries, and a handful of the transit agency’s 91 stations have seen their names change in recent years.— Washington Post, 23 Sep. 2021
- 地铁允许地方政府要求更改其境内车站的名称，近年来，该运输机构的91个车站中有少数几个车站的名称发生了变化。
implore: 书面用词，着重指迫切、焦急或痛苦地恳求或哀求，常含较强的感情色彩。
举个例子：
- Fears of his removal forced an array of big-name liberals, including most notably President Joe Biden – who will join Newsom for a rally on Monday – to journey across the country and implore residents to back Newsom.— Joel Shannon, USA TODAY, 12 Sep. 2021
- 对他下台的担忧迫使一系列大牌自由派人士，包括最着名的总统乔·拜登 - 他将于周一加入纽瑟姆的集会 - 前往全国各地，并恳求居民支持纽瑟姆。
claim: 指有权或宣称有权得到而公开提出的要求。
举个例子：
- That data calls into question not only Robinhood’s defense that free trading can only be done with PFOF, but also its claim that the use of PFOF does not conflict with its duty to get clients best execution.— Steven Tian, Fortune, 6 Jan. 2022
- 这些数据不仅质疑Robinhood关于只有使用PFOF才能进行自由贸易的辩护，还质疑其声称使用PFOF与其让客户获得最佳执行力的责任不冲突。
pray: 语气庄重，指热情、诚恳和敬祈的要求，现不很常用。
举个例子：
- He prayed that he would find a parking spot.
- 他祈祷他能找到一个停车位。
entreat: 泛指一般“恳求或哀求”，含企图说服对方或用热烈的请求软化反对意见的意味。
举个例子：
- Those things are forbidden, as entreating the angels with prayer.— Jake Cline, Washington Post, 17 Sep. 2019
- 这些事情是被禁止的，就像用祈祷恳求天使一样。
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