《晋书·志·第十八章》
太安年间，童谣说： 五马游渡江，一马化为龙。 
太安中，童谣曰： 五马游渡江，一马化为龙。 
During the Tai'an period, a nursery rhyme said: "Five horses crossed the Yangtze River, one horse became a dragon."
<s>[INST] Explain the meaning of this Classical Chinese passage in English: 太安中，童谣曰： 五马游渡江，一马化为龙。  [/INST] During the Tai'an period, a nursery rhyme said: "Five horses crossed the Yangtze River, one horse became a dragon."</s>
Explain the meaning of this Classical Chinese passage in English: 太安中，童谣曰： 五马游渡江，一马化为龙。
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During the Tai'an period, a nursery rhyme said: "Five horses crossed the Yangtze River, one horse became a dragon."
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