《北齐书·列传·卷九》
太皇太后秘密和孝昭帝以及各大将定下计策杀了他们，下令废立皇帝。
太皇太后密与孝昭及诸大将定策诛之，下令废立。
The Grand Empress Dowager secretly made plans with Emperor Xiaozhao and the generals to kill the kings, and ordered the deposal and establishment of a new Emperor.
<s>[INST] Convert the following modern Chinese text into Classical Chinese: 太皇太后秘密和孝昭帝以及各大将定下计策杀了他们，下令废立皇帝。 [/INST] 太皇太后密与孝昭及诸大将定策诛之，下令废立。</s>
Convert the following modern Chinese text into Classical Chinese: 太皇太后秘密和孝昭帝以及各大将定下计策杀了他们，下令废立皇帝。
user
太皇太后密与孝昭及诸大将定策诛之，下令废立。
assistant