" There ought to be a law against fighting." " Impractical, " said Stuart.

“应该制订一条禁止战争的法律。”“不切实际，”斯图亚特说。

There ought to be a law against it.

【against】应该有条法律来禁止这种事。

There ought to be a law against cutting off power supplies in the middle of February.

【law】在 2 月中旬断电的做法必须禁止。

" That's right, " he says. " Nothing to gambling, for a poor man. There ought to be a law against it" .

“没错，” 他说。“没有赌博， 对于一个穷人。应该有一条法律来禁止它” 。