Cool MateBriefcase 对比 Case 对比 Portfolio
在英语中何时使用每一个，包含含义、语域和例句。
Briefcase
前 3000（常见）
Case
前 1000（非常常见）A2noun
Portfolio
前 2000（常见）C1noun
最常见: Case
| Briefcase | Case | Portfolio | |
|---|---|---|---|
| 发音 | 🇬🇧 //ˈbriːfkeɪs//🇺🇸 //ˈbrifkeɪs// | 🇬🇧 /["/keɪs/"]/🇺🇸 /["/keɪs/"]/ | 🇬🇧 /["/pɔːtˈfəʊliəʊ/"]/🇺🇸 /["/pɔːrtˈfəʊliəʊ/"]/ |
| 含义 | A bag for carrying documents and papers. | 一种情况或例子。A situation or example. | 展示某人技能或成就的作品或文件集合。A collection of works or documents that show someone's skills or achievements. |
| 例句 | He opened his briefcase to reveal the important documents. | Please put the documents in the case for safekeeping. | I left my portfolio on the train. |
| 语域 | 中性 | 中性 | 中性 |
| 常见程度 | 前 3000（常见） | 前 1000（非常常见） | 前 2000（常见） |
| CEFR 等级 | - | A2 | C1 |
| 词性 | noun | noun | |
| 搭配 | open a briefcase, close a briefcase, carry a briefcase | classic, textbook, typical, illustrate, show, cite, arise, occur, study, example, in somebody’s/this case, case of, case by case, a case in point, be, remain, overstate, classic, textbook, typical, illustrate, show, cite, arise, occur, study, example, in somebody’s/this case, case of, case by case, a case in point, notorious, tragic, assault, handle, investigate, work on, file, report, officer, on the case, case of, court, criminal, civil, bring, prosecute, pursue, come before somebody, come to court, go to court, in a/the case, case against, case of, a case to answer, no case to answer, the circumstances of a case, compelling, convincing, good, have, prepare, outline, exist, case against, case for, the case for the defence/defense, the case for the prosecution, the merits of a case, carrying, packing, glass, in a/the case, inside a/the case, out of a/the case, attaché, overnight, acute, chronic, advanced, diagnose, report, history, notes, records, case of | create a portfolio, design a portfolio, presentation portfolio, portfolio review, digital portfolio |
| 反义 | - | sameness, uniformity | disorganization, disorder, dismantling |
| 常见错误 | Confused with 'suitcase', which is used for travel, Using 'briefcase' as plural without an 's' ending in informal contexts, Using 'briefcase' for bags that are not specifically designed for documents | Confused with 'case' as a container instead of a situation., Using 'case' without properly specifying what type of case (e.g., legal case, medical case). | Confused with 'portefeuille', which is a French word., Using 'portfolio' in plural form incorrectly (e.g., 'portfolios' without context)., Misunderstanding it as only financial documents; it can be creative works too. |
| 用法说明 | Used in formal settings, commonly associated with professionals. Not typically used in casual contexts. | 使用'case'来指代特定情况，尤其是在法律或医疗背景下。它比'instance'更不正式，更常用于日常对话。Use 'case' to refer to a particular situation, especially in legal or medical contexts. It is less formal than 'instance' and more common in everyday conversation. | 主要用于专业和学术场合。在讨论自己的技能或项目时很合适，但在休闲对话中可能会显得过于正式。Used mainly in professional and academic contexts. It is appropriate when discussing one's skills or projects but can feel overly formal in casual conversations. |
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常见问题：Briefcase 对比 Case 对比 Portfolio
Briefcase、Case和Portfolio 有什么区别？
Briefcase: A bag for carrying documents and papers. Case: A situation or example. Portfolio: A collection of works or documents that show someone's skills or achievements.
哪个更常见：Briefcase、Case和Portfolio？
Case 在日常英语中最常见。
哪个更高级：Briefcase、Case和Portfolio？
Portfolio 级别最高，在 CEFR 量表上为 C1。
能各给一个例子吗？
Briefcase: He opened his briefcase to reveal the important documents. Case: Please put the documents in the case for safekeeping. Portfolio: I left my portfolio on the train.
我可以互换使用 Briefcase、Case和Portfolio 吗？
不总是。Briefcase、Case和Portfolio 相关，有时可以互换，但在语域、常见程度和用法上不同，所以换用可能改变意思或语气。替换前先看看上面的区别。