精力 energy; vigour; vim 精力不足 be deficient in energy; anenergia; 精力过人 exceptional vitality; 精力旺盛 be full of vitality; 集中精力 concentrate one's efforts on doing sth.; 一个70岁的人还有他那样的精力, 真是不同寻常。 it's remarkable that a 70-year-old man has the stamina he had
把我全部的精力投入到遗传工程上 i'll return to china and intend to spend all my energy in genetic engineering
但是他有那麽多的精力和才能 but there's so much energy and talent in the man,