Sore and tired
anaemic, debilitated, delicate, exhausted, faint, feeble, fragile, frail, infirm, puny, shaky, sickly, spent, tender, unsteady, wasted, cowardly, impotent, indecisive, ineffectual, infirm, irresolute, pathetic, powerless, soft, spineless, hollow, lame, shallow, defenceless, vulnerable, tasteless, thin, watery.
a or an
you can use or , otherwise, or rather than.
Like
next
spectacular
peter
Forefather?
athletics
hard
demonstrate, employ, illuminate,
You can use: manage and succeed.
pretty,sweet....