The massive system of defensive walls in northern China, stretching from Shanhaiguan in the east to Jiayuguan in the west

a very long journey; specifically refers to the 25,000-li Long March of the Chinese Red Army

the Yangtze River, emphasizing its vast ten-thousand-mile length

the chief of a neighborhood unit; also used as a friendly or respectful term for an older man who is helpful and meddles in local neighborhood affairs