《左传·哀公·哀公十五年》
十五年春季，周历正月，成地背叛孟氏而投靠齐国。
十有五年春，王正月，成叛。
In the spring of the fifteenth year, in the first month of the Zhou calendar, Chengdi betrayed the Meng clan and defected to the state of Qi.
<s>[INST] 请将下面的文言文翻译成英语: 十有五年春，王正月，成叛。 [/INST] In the spring of the fifteenth year, in the first month of the Zhou calendar, Chengdi betrayed the Meng clan and defected to the state of Qi.</s>
请将下面的文言文翻译成英语: 十有五年春，王正月，成叛。
user
In the spring of the fifteenth year, in the first month of the Zhou calendar, Chengdi betrayed the Meng clan and defected to the state of Qi.
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