他感到全身乏力。
He feels weak all over.
lacking in strength; weak; feeble; not up to the task
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
Nice writing!
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
他感到全身乏力。
He feels weak all over.
解释得有些乏力。
The explanation is a bit weak.