When Sanballat (A) heard that we were rebuilding the wall, he became angry and was greatly incensed. He ridiculed the Jews.

So we rebuilt the wall till all of it reached half its height, for the people worked with all their heart.

6 So built we the wall; and all the wall was joined together unto the half thereof: for the people had a mind to work.

New International Version So we rebuilt the wall till all of it reached half its height, for the people worked with all their heart. New Living Translation

Then Judah said, “The strength of the laborers is failing, and there is so much rubbish that we are not able to build the wall.”

So we built the wall, and the entire wall was joined together up to half its height, for the people had a mind to work.

Remember the Lord, who is great and awesome, and fight for your families, your sons and your daughters, your wives and your homes.” When our enemies heard that ...

David Guzik commentary on Nehemiah 4 describes how Sanballat and Tobiah try to stop the work on the wall, and Nehemiah plans the defense.

6 So we built the wall, and the entire wall was joined together up to half its height, for the people had a mind to work. 7 Now it happened, fwhen Sanballat ...

The wall was built round the whole city, there being no space unbuilt, and it was carried up to half the height that it was intended to be.