un·daunt·ed
adjective/ˌʌnˈdɔːntɪd/
/ˌʌnˈdɔːntɪd/
[not usually before noun] (formal)- still enthusiastic and determined, despite difficulties, danger, etc.
顽强；百折不挠；坚强不屈 - He seemed undaunted by all the opposition to his idea.
尽管他的思想屡遭非难，他似乎仍然百折不挠。 - Undaunted, she persevered.
她不屈不挠，坚持了下来。
- He seemed undaunted by all the opposition to his idea.