我没有精力了
Wǒ méiyǒu jīnglì le
I have no energy
他很有精力
Tā hěn yǒu jīnglì
He is energetic
工作需要精力
Gōngzuò xūyào jīnglì
Work requires energy
孩子精力旺盛
Háizi jīnglì wàngshèng
Children have abundant energy
