pushing forward despite repeated frustrations;advance bravely and never withdraw [give in];keep on fighting in spite of all setbacks;with indomitable fortitude ;

I can affirm that he is tenacious and pertinacious as are few.
我可以肯定,像他那样不屈不挠、百折不回的人是十分罕见的.
来源:词典精选例句
简答网 · 英语词汇

简答网 · 高考英语

简答网 · 双语娱乐资讯
简答网 · 双语新闻

简答网 · 高考英语

简答网 · 初中英语作文