《礼记·文王世子》
成王年幼，不能即位履行天子职务，由周公出面辅助，代行天子职权。
成王幼，不能莅阼，周公相，践阼而治。
King Cheng was young and could not take the throne to perform the duties of the emperor, so the Duke of Zhou came forward to assist him and act on behalf of the emperor.
<s>[INST] Transpose the following Modern Chinese text into Classical Chinese: 成王年幼，不能即位履行天子职务，由周公出面辅助，代行天子职权。 [/INST] 成王幼，不能莅阼，周公相，践阼而治。</s>
Transpose the following Modern Chinese text into Classical Chinese: 成王年幼，不能即位履行天子职务，由周公出面辅助，代行天子职权。
user
成王幼，不能莅阼，周公相，践阼而治。
assistant