Up to half of it - that is, to half the intended height.

Unto the half.—Up to half the height the wall was now continuous.

So built we the wall.

You half expected to read, "So we stopped building the wall, and answered Sanballat and Tobiah." Not a bit of …

So built we the wall
Went on in building it, notwithstanding their scoffs and threats:

and all th…

Many a good work has been viewed with contempt by proud and haughty scorners. Those who disagree on almost everything will unite in persecution.