[jīng lì]
energy; vigour; vim
									
										be deficient in energy; anenergia
										精力不足
									
									
									
										exceptional vitality
										精力过人
									
									
									
										be full of vitality
										精力旺盛
									
									
									
										concentrate one's efforts on doing sth.
										集中精力
									
									
									
										It's remarkable that a 70-year-old man has the stamina he had!
										一个70岁的人还有他那样的精力, 真是不同寻常。