zhǔ / tǐ / gōng / chéng / yǐ / jīng / wán / chéng / gōng / rén / men / zhèng / zài / xiàn / chǎng / sǎo / wěi

主体工程已经完成，工人们正在现场扫尾。

The main construction has been completed, and the workers are finishing up at the site.