'Strong' in the Bible

And I -- I have known that the king of Egypt doth not permit you to go, unless by a strong hand,

And Jehovah saith unto Moses, 'Now dost thou see that which I do to Pharaoh, for with a strong hand he doth send them away, yea, with a strong hand he doth cast them out of his land.'

and the heart of Pharaoh is strong, and he hath not hearkened unto them, as Jehovah hath spoken.

And the scribes of Egypt do so with their flashings, and the heart of Pharaoh is strong, and he hath not hearkened unto them, as Jehovah hath spoken,

and the scribes say unto Pharaoh, 'It is the finger of God;' and the heart of Pharaoh is strong, and he hath not hearkened unto them, as Jehovah hath spoken.

and the heart of Pharaoh is strong, and he hath not sent the sons of Israel away, as Jehovah hath spoken by the hand of Moses.

and Jehovah turneth a very strong sea wind, and it lifteth up the locust, and bloweth it into the Red Sea -- there hath not been left one locust in all the border of Egypt;

and it hath been to thee for a sign on thy hand, and for a memorial between thine eyes, so that the law of Jehovah is in thy mouth, for by a strong hand hath Jehovah brought thee out from Egypt;

And Moses stretcheth out his hand towards the sea, and Jehovah causeth the sea to go on by a strong east wind all the night, and maketh the sea become dry ground, and the waters are cleaved,

And it cometh to pass, on the third day, while it is morning, that there are voices, and lightnings, and a heavy cloud, on the mount, and the sound of a trumpet very strong; and all the people who are in the camp do tremble.

and the sound of the trumpet is going on, and very strong; Moses speaketh, and God doth answer him with a voice.

And Moses appeaseth the face of Jehovah his God, and saith, 'Why, O Jehovah, doth Thine anger burn against Thy people, whom Thou hast brought forth out of the land of Egypt with great power and with a strong hand?