The plaintiff's sole witness, a gambler and layabout, was easily discredited.原告唯一的证人嗜赌成性，游手好闲，其证词一下子就被推翻了。He was a compulsive gambler and often heavily in debt.他嗜赌成癖，常常债台高筑。The gambler sponged a cigarette from the m...

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