他踩到钉子时忍不住骂了一句脏话。

He ___cursed under his breath when he stepped on a nail.

巫师对那个背叛者施了一个可怕的诅咒。

The sorcerer cast a terrible ___curse upon the betrayer.

酗酒成了他生活的诅咒，毁掉了他的健康和工作。

Alcoholism became a ___curse that destroyed his health and career.