作废

It's an invalid cheque.

这是一张作废的支票。

The court held that Congress had intended vested rights under the lease to be invulnerable to defeasance by subsequently issued regulations.

法院认为，国会在立法时的意图是，租约赋予的权利不能因其后颁布的条例而作废。

Reports say Ambassador Galbraith has sided with the Canadian chairman of the Electoral Complaints Commission, Grant Kippen, to take a hard line and toss out all tainted ballots.

报导说，加尔布雷斯站在务申诉委员会主席、加拿大的奇朋一边，主张采取强硬政策，把有问题的票全都作废。