KJV: And Pharaoh's servants said unto him, How long shall this man be a snare unto us? let the men go, that they may serve the LORD their God: knowest thou not yet that Egypt is destroyed?
NASB: Pharaoh's servants said to him, "How long will this man be a snare to us? Let the men go, that they may serve the LORD their God. Do you not realize that Egypt is destroyed?"
KJV: And the LORD said unto Moses, Yet will I bring one plague more upon Pharaoh, and upon Egypt; afterwards he will let you go hence: when he shall let you go, he shall surely thrust you out hence altogether.
NASB: Now the LORD said to Moses, "One more plague I will bring on Pharaoh and on Egypt; after that he will let you go from here. When he lets you go, he will surely drive you out from here completely.
KJV: And Moses and Aaron did all these wonders before Pharaoh: and the LORD hardened Pharaoh's heart, so that he would not let the children of Israel go out of his land.
NASB: Moses and Aaron performed all these wonders before Pharaoh; yet the LORD hardened Pharaoh's heart, and he did not let the sons of Israel go out of his land.