'Alone' in the Bible

So he let him alone. Then she said, "You are a bridegroom of blood," because of the circumcision.

Isn't this the word that we spoke to you in Egypt, saying, 'Leave us alone, that we may serve the Egyptians?' For it were better for us to serve the Egyptians, than that we should die in the wilderness."

When Moses' father-in-law saw all that he did to the people, he said, "What is this thing that you do for the people? Why do you sit alone, and all the people stand around you from morning to evening?"

You will surely wear away, both you, and this people that is with you; for the thing is too heavy for you. You are not able to perform it yourself alone.

Moses alone shall come near to Yahweh, but they shall not come near, neither shall the people go up with him."

Now therefore leave me alone, that my wrath may burn hot against them, and that I may consume them; and I will make of you a great nation."