He was a compulsive gambler and often heavily in debt.

他是一个欲罢不能的赌徒，常常债台高筑。

《柯林斯英汉双解大词典》

It's common knowledge that he's a compulsive gambler.

大家知道，他是个嗜赌成癖的赌徒。

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Ten years ago, the compulsive gambler was drawn into Tzu Chi by an old school teacher. Not wanting to tarnish the reputation of Tzu Chi volunteers, Zhang quit his 20-year-habit, and is now a new man.

十年前，这个顽强的赌徒被一个以前的学校老师拉进慈济，由于不希望玷污慈济志工的名誉，张顺良戒掉20年的习惯，改过自新。

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And so if they were not a compulsive gambler,

所以，即使他们不是嗜赌成癖的赌徒，

沉迷于彩票的人们 - SpeakingMax英语口语达人

My ex-husband, a stock broker, was a compulsive gambler who lost a fortune of my inheritance.

FORBES: A Three-Step Plan: Getting Smart (or Smarter) With Money

He drank to cope, "entered a devastating cycle of depression and alcohol abuse, " and became a manic, compulsive gambler in which he lost a "significant amount of money in an attempt to make back business losses, " the lawsuit said.

CNN: January 24, 2013 -- Updated 1044 GMT (1844 HKT)

Saddam Hussein is a mass-murdering, compulsive political gambler.

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