indefatigable
🇺🇸
/ˌɪndɪˈfætɪɡəbl/
🇬🇧
/ˌɪndɪˈfætɪɡəbl/
always being able to continue doing something without getting tired
Her indefatigable spirit helped her overcome every challenge.
她不知疲倦的精神幫助她克服了每一個挑戰。