energetic; having stamina.
Are you energetic [enough] now to go out? I don't know, you may injure your health further.
Do you have the stamina to go out? I don't know about you, you may injure your health further.
Even though he is not energetic enough to work, his work continues to be persevered by him, in order to get [it] done quickly.
Even though he lacks stamina, he keeps on working away in order to get it done quickly.
Our kitchen floor was only partially washed by me, because I am not yet energetic [enough] to be able to wash [it completely].
I only washed part of our kitchen floor because I still don't have the energy to do it all.