刚毅的英文：
fortitude
hardihood
masculinity
stoutness

参考例句：

This was a race of manly men, but insolent and impious
这时的人类雄伟刚毅，但却骄横不虔。

A man of resolve
刚毅的人

The fortitude of the pioneers
开拓者的刚毅。

did yeoman service.
完成刚毅的任务

He is of a resolute and steadfast disposition.
他的性格非常刚毅。

He is a fair specimen of manhood.
他是刚毅的典范。

Fortitude is distinct from valor.
刚毅与勇武有别

He was a strong-minded, upright young man.
他是一个刚毅正直的青年。

His eyes flashed with resolution.
他两眼闪耀着刚毅的光芒。

A strong square jaw is a sign of firm character
强健的方下巴是刚毅性格的标志。

fortitude是什么意思：
n. 坚韧，刚毅

This is the kind of fortitude we must have.
就是要有这股狠劲。

A job like that calls for a man with intestinal fortitude.
像那样的工作要一个有勇气的人去做。

He suffered a long series of illnesses with tremendous dignity and fortitude.
他凭借超乎常人的保持生命尊严的信念和顽强意志力忍受着各种病痛的折磨。

hardihood是什么意思：
n. 胆大无敌,刚毅,厚颜

With great hardihood he force into the room of the gangster.
他大胆地闯进了匪帮的屋子。

I hardly believe any of our opponents will have the hardihood to say they are not
我很难相信，反对我们的人中有谁敢说她们不是。

masculinity是什么意思：
n. 男子气,刚毅,大丈夫气概

Vagina is masculine as well, while the word masculinity is feminine.
阴道也是阳性，而阳性这个词倒是阴性的。

Host is the masculine noun for hostess.
host是与hostess相对应的阳性名词。

a lesbian who is noticeably masculine.
一个呈现出显著的男子汉气概的女同性恋者。