'Refused' in the Bible

And Jehovah saith unto Moses, 'The heart of Pharaoh hath been hard, he hath refused to send the people away;

And Moses cometh in -- Aaron also -- unto Pharaoh, and they say unto him, 'Thus said Jehovah, God of the Hebrews, Until when hast thou refused to be humbled at My presence? send My people away, and they serve Me,

And Jehovah saith unto Moses, 'How long have ye refused to keep My commands, and My laws?