expose

Compared meaning: to make something hidden visible (verb).

比较义项：揭露、使显露出来（动词）。

• expose 本词

  Emphasizes putting something in a position where it is affected by an outside force (light, danger, criticism), often with a harmful result; frequently used with 'to'.

  强调把某物置于外部影响（光、危险、批评）之下，常带有有害的结果；常与介词 to 连用。

  Don't expose the wound to dirt, or it could get infected.

  不要让伤口暴露在污垢中，否则可能感染。

• uncover

  Emphasizes finding or revealing something that was hidden or covered, usually through investigation, digging, or removing a cover; neutral, discovery-focused tone.

  强调通过调查、挖掘或移除覆盖物而发现或揭示原本隐藏的东西；语气中性，侧重于“发现”。

  The audit managed to uncover several errors in the company's accounts.

  审计过程中发现了公司账目中的几处错误。

Expose and uncover both mean to make something hidden visible, but they differ. Expose means putting something where light, danger, or criticism can affect it, often harmfully. Uncover means finding something hidden through investigation, or removing a cover. Removing a hat is not compared here.

两个词都可指让原本隐藏或看不见的东西显露出来，但 expose 更强调把某物暴露在外部影响（如光、危险、批评）之下，往往带有负面或有害的意味；uncover 更强调经过调查、挖掘或揭开覆盖物而发现原本隐藏的事实或物品，中性或带发现的意味。这里不比较 uncover 的“脱帽致敬”这一义项。

Compared meaning: make something hidden or secret known (verb).

比较义项：使隐藏或秘密的事情显露出来、为人所知（动词）。

• reveal

  Reveal is the general, neutral word for making something known; it works for facts, feelings, and secrets, and the action can even happen without a human agent.

  reveal 是较为中性、通用的说法，可用于表示揭示事实、情感或秘密，动作有时并非由人有意做出。

  Her nervous smile revealed how worried she really was.

  她紧张的笑容 revealed 出她心里其实有多担心。

• expose 本词

  Expose usually carries a negative charge, showing that someone deliberately or accidentally brings wrongdoing, lies, or a hidden weakness into the open.

  expose 通常带有负面色彩，表示有意或无意地把不法行为、谎言或隐藏的弱点揭露出来。

  The investigation exposed corruption among several senior officials.

  调查 exposed 了多名高级官员的腐败行为。

• uncover

  Uncover stresses a process of searching or investigating that brings hidden facts, evidence, or plots to light.

  uncover 强调通过搜寻或调查的过程，把隐藏的事实、证据或阴谋揭露出来。

  Detectives uncovered new evidence linking the suspect to the crime.

  警探 uncovered 了将嫌疑人与该案件联系起来的新证据。

• disclose

  Disclose is formal and typically used for official, legal, or financial information that a person or organization chooses, or is required, to make public.

  disclose 语气正式，常用于官方、法律或财务信息，指个人或机构选择公开，或依规定必须公开的信息。

  The bank must disclose all fees before a customer signs the contract.

  银行必须在客户签订合同之前 disclose 所有费用。

All four mean to make something hidden known. Reveal is neutral, general. Expose has a negative sense: wrongdoing or weakness. Uncover stresses a search that brings hidden facts to light. Disclose is formal, for official or legal information. Excludes uncover meaning 'take off a hat'.

这四个词都表示让隐藏或秘密的事情变得众所周知，但语气和使用场合不同：reveal 语气中性通用，可用于事实、情感、秘密等，动作也可以是无意的；expose 通常带贬义，多指揭发丑闻、错误或隐藏的弱点；uncover 强调经过调查、挖掘等过程发现被掩盖的事实；disclose 语气正式，多用于官方、法律或商业场合，指主动或依规定公开信息。此处不比较 uncover 的“脱帽致敬”这一义项。