The building is under construction.

这座楼正在建设中。

youdao

At noon, when I take a snap, the noise from the building machine is so loud, our school is under construction now, so the workers work day and night.

在中午，当我午睡的时候，建筑的机器发出很大的噪音，我们学校现在正在建造中，因此工人日以继夜地工作。

youdao

After that, a terrace allows having an outside view of the construction site: here the exhibition of the future building is linked with the present with the outlook of the mall under construction.

参观二层之后，站在第二层的户外露台便可以瞭望远处正在施工建设中的商场，这也是连接“现在”与“未来”的节点。

youdao

And this prison camp is going to be replaced, according to the plans, by a building that is under construction now, that will amount to a maximum-security prison, although they don't like to call it that.

CNN: Franken

In about two years, Park Hyatt plans to open a new hotel a few blocks away in the lower floors of a luxury condo building that is under construction by Extell Development Co.

WSJ: Starwood's Crystal Vision