KJV:
And they had tails like unto scorpions, and there were stings in their tails: and their power was to hurt men five months.
NASB:
They have tails like scorpions, and stings; and in their tails is their power to hurt men for five months.
KJV:
For their power is in their mouth, and in their tails: for their tails were like unto serpents, and had heads, and with them they do hurt.
NASB:
For the power of the horses is in their mouths and in their tails; for their tails are like serpents and have heads, and with them they do harm.
KJV:
And his tail drew the third part of the stars of heaven, and did cast them to the earth: and the dragon stood before the woman which was ready to be delivered, for to devour her child as soon as it was born.
NASB:
And his tail swept away a third of the stars of heaven and threw them to the earth. And the dragon stood before the woman who was about to give birth, so that when she gave birth he might devour her child.