idiom > Sanghujuanshu
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桑户棬枢
Pinyin: sāng hù juàn shū

Explanation: 以桑枝为门,木条为枢。形容居处简陋,家境贫寒。

To control branches to the door, wood for the hinge
  To control branches to the door, wood for the hinge. Home Office described the simple, poor family. "Qin Warring States policy a": "and Fu Su Qin special wall, dig the door, and San people in households Started hinge ears."
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