可以说：她非常坚强。
"She is very strong."
这个表达的来源是源于人的生理状况或者心理状况，表示一个人非常坚强，不易被打倒，不易受到影响。
一些英文例句和中文翻译如下：
She has gone through a lot of hardships, but she is still very strong. 她经历了很多困难，但她仍然非常坚强。
He is a strong man both physically and mentally. 他既身体健壮，又能心理坚强。
She has a strong will and never gives up easily. 她意志坚强，从不轻易放弃。