照顾一个年幼的家庭需要大量的时间和精力。

Looking after a young family requires a lot of time and ___energy.

我今晚本想出去的，但我就是没有那个精力。

I was going to go out this evening, but I just don't have the ___energy.

工作了一整天之后，我从来都没有足够的精力去健身房。

After a long day at work, I never have enough ___energy to go to the gym.