资料来源 : Webster's Revised Unabridged Dictionary (1913)

   {To stick to}, to be persevering in holding to; as, to stick
      to a party or cause. ``The advantage will be on our side
      if we stick to its essentials.'' --Addison.

   {To stick up}, to stand erect; as, his hair sticks up.

   {To stick up for}, to assert and defend; as, to stick up for
      one's rights or for a friend. [Colloq.]

   {To stick upon}, to dwell upon; not to forsake. ``If the
      matter be knotty, the mind must stop and buckle to it, and
      stick upon it with labor and thought.'' --Locke.