1. His downfall was caused by gambling and drink.
    他的垮台是由赌博和酗酒造成的。

2. And I acknowledge that some children are better off without a violent father, a family income wasted on drinking or gambling, or unhappy parents taking out their anger on everyone in the family.
    我承认，如果没有狂暴的父亲，家里的钱没有被浪费在酗酒或赌博上，父母感到不快时不会对家里每个人撒气，一些孩子会生活得更好。

3. Gambling was his downfall.
    赌博是他堕落的缘由。

4. It is not necessary to legislate against gambling.
    没有必要立法禁赌。