精力 energy; vigour; vim 精力不足 be deficient in energy; anenergia; 精力過人 exceptional vitality; 精力旺盛 be full of vitality; 集中精力 concentrate one's efforts on doing sth.; 一個(gè)70歲的人還有他那樣的精力, 真是不同尋常。 it's remarkable that a 70-year-old man has the stamina he had
把我全部的精力投入到遺傳工程上 i'll return to china and intend to spend all my energy in genetic engineering
但是他有那麼多的精力和才能 but there's so much energy and talent in the man,