《北史·列传·卷四十三》
他把这个打算告诉了高俨，高俨同意，便假借天子的诏命杀死和士开。
以谋告俨，俨许之，乃矫诏杀士开。
He told Gao Yan what he planned, and Gao Yan agreed and then killed He Shikai with a purported imperial edict.
<s>[INST] Kindly elucidate the central themes in this passage in English: 以谋告俨，俨许之，乃矫诏杀士开。 [/INST] He told Gao Yan what he planned, and Gao Yan agreed and then killed He Shikai with a purported imperial edict.</s>
Kindly elucidate the central themes in this passage in English: 以谋告俨，俨许之，乃矫诏杀士开。
user
He told Gao Yan what he planned, and Gao Yan agreed and then killed He Shikai with a purported imperial edict.
assistant