Definition

1. Noun:

   • A doubt; a question; an uncertainty: A matter that is unclear, not yet proven, or not yet resolved, requiring clarification or investigation.
   • (Grammar) Interrogative: A word or grammatical form used to ask a question.

2. Adjective:

   • Doubtful; questionable; uncertain: Describing something that raises doubts, is not clear, or is not yet confirmed.

Usage Examples

• Noun:
  • Vụ án còn nhiều nghi vấn. (The case still has many unanswered questions.)
  • "Ai" và "cái gì" là những đại từ nghi vấn. ("Who" and "what" are interrogative pronouns.)
• Adjective:
  • Tình tiết này rất nghi vấn. (This detail is very questionable.)
  • Hành động nghi vấn của anh ta khiến cảnh sát chú ý. (His suspicious actions drew the police's attention.)

Advanced Usage

• "Có nghi vấn": To be in doubt; to be questionable.
  • Bằng chứng này có nghi vấn về tính xác thực. (This evidence is of doubtful authenticity.)
• "Làm sáng tỏ nghi vấn": To clarify a doubt; to clear up a question.
  • Cảnh sát đang cố gắng làm sáng tỏ mọi nghi vấn. (The police are trying to clarify all doubts.)

Variants and Related Words

• Nghi ngờ (v/n): To suspect; a suspicion. (Focuses more on the feeling of distrust.)
  • Họ nghi ngờ anh ta nói dối. (They suspect he is lying.)
• Chất vấn (v): To interrogate; to question formally.
  • Nhà báo chất vấn vị bộ trưởng. (The journalist questioned the minister.)

Synonyms

• Doubt: A feeling of uncertainty.
• Question: A sentence worded to elicit information.
• Uncertainty: The state of being unsure.
• Interrogative (grammar): Used in questions.

Related Idioms

• "Vạch mặt chỉ tên nghi vấn": To publicly point out and name the subject of doubt.
  • Bài báo vạch mặt chỉ tên nghi vấn các công ty tham nhũng. (The article publicly named and shamed the companies under suspicion of corruption.)

1. a doubtful question