suit

Compared meaning: a legal case (noun).

比较义项：诉讼（名词）。

• lawsuit

  The common, everyday word for a legal case, used freely in ordinary conversation and news reporting, and typically takes the article 'a'.

  指法律案件的日常通用说法，广泛用于日常对话和新闻报道中，通常需搭配冠词“a”使用。

  Her family filed a lawsuit against the hospital after the accident.

  事故发生后，她的家人对医院提起了诉讼。

• suit 本词

  A more formal, legal-register word for the same thing, common in fixed legal phrases like 'file suit' or 'civil suit', and rarely used in everyday conversation.

  同样表示诉讼案件，但语气更正式、更具法律色彩，常出现在“提起诉讼（file suit）”“民事诉讼（civil suit）”等固定法律用语中，日常口语中较少使用。

  The company was quick to file suit against its former partner.

  该公司很快就对前合伙人提起了诉讼。

Both words mean a legal case. Lawsuit is the common, everyday word, used freely in conversation and news. Suit is more formal and legal, common in fixed phrases like 'file suit' or 'civil suit', and rarely used in everyday talk.

这两个词在“诉讼”这个意义上很接近，但 suit 语气更正式、更具法律色彩，常出现在“提起诉讼（file suit）”“民事诉讼（civil suit）”等固定法律用语中；lawsuit 是日常更通用的说法，口语和新闻中都常见。这里不比较 suit 表示“西装”“（扑克牌的）花色”，或作动词表示“适合、相配”的其他意义。

Compared meaning: to be right or fitting for someone (verb).

比较义项：适合，相衬（动词）。

• become

  Formal and somewhat old-fashioned; describes something (clothing, color, behavior) as fitting or becoming to a person's character or appearance, often in negative set phrases like 'does not become'; rarely used in casual speech.

  较为正式且略显古雅；用来形容某样事物（服饰、颜色、举止）与人的气质或外表相衬，常见于“does not become”这类否定说法中；口语中很少使用。

  Such rude behavior does not become a gentleman.

  如此粗鲁的举止不符合一位绅士的身份。

• suit 本词

  Common, everyday word for being right, convenient or appropriate for someone; used broadly with clothes, colors, times, schedules, jobs and arrangements; neutral in register.

  常用词，表示对某人而言合适、方便或恰当；可广泛用于衣服、颜色、时间、日程、工作和安排等，语域中性。

  This meeting time doesn't suit me because I have a class then.

  这个开会时间不适合我，因为我那时候有课。

Both words mean being right or fitting for someone. Become is formal and old-fashioned, describing clothes or behavior that suit a person. Suit is the everyday word, used for clothes, colors, times, or jobs being convenient. Not compared: become's common meaning 'turn into'.

这两个词在“适合”这一义项上意思相近，但语域和用法不同：become 较为正式、古雅，多用于服饰、外表或举止是否与人相衬，常见于“does not become”这类固定说法；suit 是日常常用词，可广泛用于衣服、颜色、时间、日程、工作等是否合适或方便。此处不比较 become 的常见义项“变成”（如 become a doctor）。