《旧五代史·后梁·太祖纪一》
在这之前，太祖曾派信使雷邺向魏州请购粮食，不久被罗弘信的牙军杀害。
先是，帝遣行人雷鄴告籴于魏，既而为牙军所杀。
Previously, the founding emperor had sent the messenger Lei Ye to Weizhou to buy grain, but he had recently been killed by Luo Hongxin's personal troops.
<s>[INST] Convert the following English text into Classical Chinese: Previously, the founding emperor had sent the messenger Lei Ye to Weizhou to buy grain, but he had recently been killed by Luo Hongxin's personal troops. [/INST] 先是，帝遣行人雷鄴告籴于魏，既而为牙军所杀。</s>
Convert the following English text into Classical Chinese: Previously, the founding emperor had sent the messenger Lei Ye to Weizhou to buy grain, but he had recently been killed by Luo Hongxin's personal troops.
user
先是，帝遣行人雷鄴告籴于魏，既而为牙军所杀。
assistant