2007年考研英语（旧卷）真题句子解析： When asked what they want to do, they should be discouraged from saying "I have no idea."

have no idea (固定表达)

have no idea

"have no idea" 是表达「完全不知道 / 毫无头绪」的固定短语,语气比简单的 "don't know" 更强烈,强调complete lack of knowledge or understanding。在口语和书面语中都极为常用。注意其后可接about/what/how等引导的从句或短语,如 "have no idea about it" / "have no idea what to do"。本句中省略了about,直接作quoted speech使用。中文学习者常误用为 "have not idea"(缺少no的否定含义)或 "have no ideas"(错误复数形式,idea在此为抽象概念不可数)。

• ✓ I have no idea what to do. ✗ I have not idea what to do. / I have no ideas. no是determiner表完全否定,idea在此为不可数抽象名词。

be discouraged from doing (固定搭配)

be discouraged from saying

"be discouraged from doing sth" 是表达「被劝阻不要做某事 / 不被鼓励做某事」的标准搭配,discourage的被动语态后必须接from,不可用其他介词。该结构强调external influence或social pressure使某人avoid某行为。主动形式为 "discourage sb from doing sth"。介词from表方向性的away movement,体现阻止的语义。中文学习者常误用 "be discouraged to do"(混淆encourage to do的结构)或漏掉from直接接动名词。

• ✓ They should be discouraged from smoking. ✗ They should be discouraged to smoke. / They should be discouraged smoking. discourage后的介词固定为from,不可用to或省略。

When asked (省略式状语结构)

When asked

"When asked" 是时间状语从句的省略形式,完整为 "When they are asked"。当状语从句主语与主句主语一致,且含be动词时,可省略主语和be动词,保留连词+分词/形容词。这是书面英语中常见的简洁表达,使句子更紧凑。本句的完整逻辑为:When they are asked what they want to do, they should be discouraged... 中文学习者常不理解省略机制,误以为when后直接接过去分词是错误,或在翻译时漏译主语。

• ✓ When (you are) tired, take a rest. / While (I was) reading, I fell asleep. ✗ When tired, you take a rest. (主句主语与从句不一致时不可省略) 省略的前提是从句与主句主语一致,且从句含be动词。

should (情态动词语气)

should be discouraged

此处 "should" 表达建议、义务或期望,语气比must弱,比can强,传达「应当 / 理应」的规范性判断,而非强制命令。Should常用于给出advice、express opinion或discuss what is right/appropriate。在教育语境中,should表明这是一种recommended practice而非absolute rule。中文学习者易忽略should的建议性语气,在翻译时过度强硬(译为「必须」)或过于软弱(译为「可以」)。

• ✓ You should see a doctor. (建议) ✗ 将should理解为must的强制性或can的可能性。 Should表建议/义务,强度介于must和can之间。

引语内嵌与间接引语转换

what they want to do I have no idea

本句体现了复杂的引语结构:"When asked what they want to do" 是间接引语(indirect question),而 "I have no idea" 是直接引语(direct speech)嵌入在discouraged from saying之后。这种mixed quotation structure在讨论言语行为时常见。注意 "what they want to do" 使用陈述语序(不是do they want),这是间接疑问句的标准形式。"I have no idea" 作为quoted phrase保持原样,不变时态或人称,因为discourage from saying后接的是the exact words。中文学习者常在间接疑问句中错用疑问语序,或混淆直接/间接引语的时态一致规则。

• ✓ I don't know what he wants. (间接疑问用陈述语序) ✗ I don't know what does he want. (误用疑问语序) 间接疑问句(embedded question)必须用陈述语序,不倒装。

教育心理学语境中的表达指导

When asked what they want to do, they should be discouraged from saying "I have no idea."

整句体现了教育或心理咨询场景中的沟通策略:当询问学生/来访者的意愿或目标时,应discourage其回避性表达("I have no idea"),而encourage其articulate thoughts或explore possibilities。这反映了教育心理学中avoid learned helplessness和promote self-efficacy的理念。"I have no idea" 被视为一种passive/avoidant response,阻碍进一步探索。此类表达在教育学、心理学论文或教学法讨论中常见。理解这一语境有助于把握discourage的真实含义:不是punish或forbid,而是gently redirect toward more constructive responses。

被动语态的施动者缺失

they should be discouraged

本句使用被动语态 "should be discouraged" 但未明确by whom(施动者),这在英语中perfectly acceptable,especially when the agent is obvious from context(teachers/educators/parents)或intentionally left vague to emphasize the action itself rather than who performs it。中文表达习惯更倾向明确主语,因此中文学习者在遇到此类agentless passive时常感困惑,或在翻译时强行添加「被老师 / 被家长」等主语。理解英语被动语态可omit agent when unnecessary or unknown是掌握地道表达的关键。

• ✓ Smoking is prohibited here. (未说明by whom,普遍理解为规定/法律) ✗ 在翻译时强行添加「被...」的施动者。 英语被动语态常省略显而易见或不重要的施动者,这是正常用法。

want to do 与 want sb to do 的区别

what they want to do

本句用 "what they want to do" 表达自己的意愿(they作主语wanting to do的动作),而非 "what they want sb else to do"。中文「想做」与「想要某人做」界限不如英语清晰,学习者易混淆 "want to do"(自己做)和 "want sb to do"(要求别人做)。此处if写成 "what they want others to do" 语义完全不同。掌握want的两种结构及其语义差异对准确表达至关重要:want to do sth(本人意愿),want sb to do sth(对他人的期望/要求)。

• ✓ I want to go. (我想去) / I want you to go. (我要你去) ✗ 混淆两种结构的语义差异。 want to do是自己做,want sb to do是期望/要求别人做,语义完全不同。