[dòng xiǔ cuī bēng]   

栋    朽    榱    崩    犹栋折榱崩。比喻倾覆。

犹栋折榱崩。比喻倾覆。

The beam breaking and the rafter falling -- the country being in a stage of ruin

栋梁之材    栋梁之才    栋朽榱崩    栋折榱坏    栋折榱崩