'Strong' in the Bible

Lo, I am bringing against you a nation from afar, O house of Israel, an affirmation of Jehovah, A nation -- strong it is, a nation -- from of old it is, A nation -- thou knowest not its tongue, Nor understandest what it speaketh.

And I -- I have fought against you, With a stretched-out hand, and with a strong arm, And in anger, and in fury, and in great wrath,

'And Thou bringest forth Thy people Israel from the land of Egypt, with signs and with wonders, and by a strong hand, and by a stretched-out arm, and by great fear,

Their Redeemer is strong, Jehovah of Hosts is His name, He doth thoroughly plead their cause, So as to cause the land to rest, And He hath given trouble to the inhabitants of Babylon.