慢速英语:Why Are Gangsters Always 'On the Lam'?

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on the lam – expression to be running from the police, especially after escaping from prison

exclusively – adv. only

gangster – n. a member of a group of violent criminals

odd – adj. strange or unusual

origin – n. the point or place where something begins or is created; the source or cause of something

slang – n. words that are not considered part of the standard vocabulary of a language and that are used very informally in speech especially by a particular group of people

traced to – v. to follow (something) back to its cause, beginning, or origin; to find out where something came from