If you think about it, walking, even standing, is illogical -- such tiny things, feet! --  especially when one's body is not al dente anymore.
你不妨思考一下，行走， 甚至站立，都是如此不合逻辑-- 只凭如此瘦小的东西，双足！  特别是当某人的身体不再 生硬如初。