"an indefatigable advocate of equal rights"
"a tireless worker"
"unflagging pursuit of excellence"
The American is..an indefatigable tryer.
出自: C. Chaplin
His indefatigable efforts to secure the guardianship.
出自: P. Gay
以上内容独家创作,受著作权保护,侵权必究
海词词典,十七年品牌