'Lo' in the Bible

And the children of Israel spoke to Moses, saying, Lo, we expire, we perish, we all perish.

And Balaam said to Balak, Lo, I am come to thee; but shall I now be able at all to say anything? the word that God puts in my mouth, that shall I speak.

For from the top of the rocks I see him, and from the hills I behold him: Lo, it is a people that shall dwell alone and shall not be reckoned among the nations.

Lo, the people will rise up as a lioness, and lift himself up as a lion. He shall not lie down until he have eaten the prey and drunk the blood of the slain.

Lo, these, through the counsel of Balaam, caused the children of Israel to commit sin against Jehovah in the matter of Peor, and there was a plague on the assembly of Jehovah.