con

• 古旧副词，表示“反对”或“相反”，主要用于早期英语文本中。它是“contra”的缩略形式，见于“pro and con”等表达。

An archaic adverb meaning 'against' or 'opposite,' used primarily in older English texts. It is a shortened form of 'contra' and appears in phrases like 'pro and con.'

1. In oppositionB2formal

   Used to indicate a position or argument against something, often in the phrase 'pro and con'.

   反对

   • They debated the pros and cons of the proposal.
   • He argued con the new policy during the meeting.
   • The committee weighed the pro and con arguments carefully.

   同义词againstcontracontrariwise

   反义词pro

• 多义词名词，可指反对某提议的论点或理由，也可指服刑的囚犯，或指诈骗、骗局，尤指赌博或欺骗性销售中的欺诈行为。

A noun with multiple meanings: it can refer to an argument against a proposal, a person serving a prison sentence, or a swindle or fraud, especially in gambling or deceptive sales.

1. Opposing argumentB2formal

   A reason or argument against a proposal or idea.

   反对理由

   • We weighed the pros and cons before making a decision.
   • He listed several cons to the new policy.
   • The main con of the plan is its high cost.

   同义词disadvantagedownsidedrawbackliabilitynegativeobjection

   反义词pro

2. PrisonerB1informal

   A person who is serving a sentence in a prison.

   囚犯

   • The con was released after serving ten years.
   • He spent five years as a con in a maximum-security prison.
   • The movie is about a con who escapes from jail.

   同义词convictinmatejailbirdprisoner

   反义词guardwarden

3. Fraud or swindleB2informal

   A dishonest scheme or trick to cheat someone out of money or property.

   诈骗

   • The investment turned out to be a con.
   • He fell victim to a classic con involving fake lottery tickets.
   • The police arrested the con artist for running a real estate scam.

   同义词bunkocheatdeceptionflimflamfraudhoaxhustleracketscamswindletrick

• 动词，指用谎言或欺骗使某人做某事或相信某事，也指仔细学习或钻研某事物。

A verb meaning to persuade someone to do or believe something by lying or tricking them, or to study something carefully.

1. To swindle or deceiveB2informal

   To trick someone into giving up something, usually money or property, through dishonesty.

   诈骗

   • He conned the elderly woman out of her life savings.
   • They were arrested for conning tourists with fake tickets.
   • She felt foolish after being conned by the smooth-talking salesman.

   同义词bamboozlebilkcheatdeceivedefrauddupefleecehoodwinkrookswindletrick

2. To study or memorizeC2formalbritish

   To learn something thoroughly, often by repetition; to commit to memory.

   熟记

   • He spent the evening conning his lines for the play.
   • She conned the entire poem by heart.
   • The student conned the historical dates before the exam.

   同义词learnmasterstudy