stark naked
 赤身裸體,一絲不掛
 Stark adv. Wholly; entirely; absolutely; quite; as, stark mad.
    Held him strangled in his arms till he was stark dead.   --Fuller.
 Stark naked, wholly naked; quite bare.
    Strip your sword stark naked.   --Shak.
 Note: ☞ According to Professor Skeat, “stark-naked” is derived from steort-naked, or start-naked, literally tail-naked, and hence wholly naked. If this etymology be true the preferable form is stark-naked.
 stark naked
      adj : (used informally) completely unclothed [syn: bare-assed, bare-ass,
             in the altogether, in the buff, in the raw, raw,
             peeled, naked as a jaybird]