calamity
n. 灾难；不幸事件
eg. Even a greater natural calamity cannot daunt us.
再大的自然灾害也压不垮我们。

catastrophe
n. 大灾难；大祸
eg. He is teetering on the edge of catastrophe.
他在大灾难的边缘徘徊。

casualty
n. 意外事故；伤亡人员
eg. They rushed her to Casualty but she was dead on arrival.
他们赶紧把她送到急救室,但是她刚到那儿就死了。

accord
vt. 使一致；给予
eg. He was accorded the praise due him.
他受到了应有的表扬。

abrogation
n. 废除；取消
eg. Measures for the abrogation shall be stipulated by the State Council.
废除的办法由国务院制定。

covenant
n. 契约，盟约
eg. He signed a covenant against under letting the premises.
他签署了一个反对廉价出租屋的契约。