New Revised Standard Version
Moses said to the LORD, “The people are not permitted to come up to Mount Sinai; for you yourself warned us, saying, ‘Set limits around the mountain and keep it holy.’”

Contemporary English Version
Moses replied, "The people cannot come up the mountain. You warned us to stay away because it is holy."

New American Bible
But Moses said to the LORD, “The people cannot go up to Mount Sinai, for you yourself warned us, saying: Set limits around the mountain to make it sacred.”

Douay-Rheims Bible
And Moses said to the Lord: The people cannot come up to Mount Sinai: for thou didst charge, and command, saying: Set limits about the mount, and sanctify it.

And Moses said to the Lord: The people cannot come up to Mount Sinai: for thou didst charge, and command, saying: Set limits about the mount, and sanctify it.

set bounds

Exodus 19:12 And thou shalt appoint certain limits to the people round about, and thou shalt say to them: Take heed ye go not up into the mount, and that ye touch not the borders thereof: every one that toucheth the mount, dying he shall die.

Joshua 3:4,5 And let there be between you and the ark the space of two thousand cubits: that you may see it afar off, and know which way you must go: for you have not gone this way before: and take care you come not near the ark. . . .