To go from house to house begging for alms or food, typically like a monk with an alms bowl, indicating a state of poverty or dire need.
在饥荒年代，许多人为了生存，不得不托钵沿门，向富裕人家乞求一点食物。
During times of famine, many people had no choice but to go from house to house begging, asking wealthier families for a bit of food to survive.
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