赌徒的英文：
gambler
gamester

参考例句：

Gamblers laying their stakes in roulette
在轮盘赌上压赌注的赌徒

The gambler cast his dice.
赌徒掷了骰子。

gamblers and adventurers are generally superstitious
赌徒和冒险家往往很迷信。

The sandwich was created to accommodate a gambler
三明治是为一个赌徒提供方便而发明创造的。

gambler是什么意思：
n. 赌博的人,赌徒

The gambler cast his dice.
赌徒掷了骰子。

A reckless spender,gambler,etc
乱花钱的人、乱赌博的人

A confirmed drunkard,gambler,etc
饮酒、赌博等成癖的人.

an inveterate smoker, drinker, gambler, liar, etc
积习已久的烟鬼、 酒徒、 赌棍、 撒谎家等.

Greediness is one of the common characteristics of compulsive gambler.
贪婪是嗜赌成癖的赌棍们的普遍特性之一。

gamester是什么意思：
n. 赌博者,赌徒

As for business, a man may think, if he win, that two eyes see no more than one; or that a gamester seeth always more than a looker-on
讲到事业方面，一个人也许以为两只眼所见的并不多于一只眼所见的;或者以为局中人之所见总较旁观者之所见为多