dead set

ad. 绝断的, 坚决的
n. 拼命的努力, 猛烈的攻击

例句与用法：

She is dead set on becoming an actress.

她决心要当一名演员。

Jim intends to make a dead set at winning the tennis prize this year.

吉姆打算今年竭尽全力在网球赛中获奖。

The committee was dead set against this plan.

委员会坚决反对这一计划。

He's dead set on getting a new job.

他打定主意要找个新工作。