“坚强”翻译成英文？哪个词最好？

strong

determined
果断的,决然的,坚定的
a very determined woman
十分坚定的女士

resolute;
坚决的,坚定的;果敢的;不屈不挠的[(+in)]
Her resolute refusal came as a surprise.
她的坚决拒绝令人感到意外。
She was a resolute woman.
她是一个果敢的女人。

sturdy 坚强的,刚毅的;坚决的
He was a sturdy fighter for racial equality.
他是一个为种族平等而奋斗的坚强战士

3个词用的场合不太一样
你可以根据需要自己选择吧

strong-minded，determined 决心
firm 意志
精神方面是iron
tough可以表示比较坚韧的感觉

determined
strong
adamant

brawniness，pertinacity iron adamancy

adamancy
strong-minded