gōng rén / zhèng zài / jiǎn chá / lǎo fáng zi / de / liáng mù / què bǎo / wū dǐng / bú huì / lòu shuǐ

工人正在检查老房子的梁木，确保屋顶不会漏水。

The workers are inspecting the beams of the old house to make sure the roof will not leak.