《资治通鉴·宋纪·宋纪九》
刘劭听后不禁勃然大怒，板起面孔。
劭怒，变色。
Liu Shao, hearing this, could not contain his rage and his face grew hard.
<s>[INST] Highlight and translate the key terms in the Classical Chinese text: 劭怒，变色。, and explain their significance in the context of the passage. [/INST]
Key terms and their translations:
* 劭怒 (shào nù): to be enraged
* 变色 (biàn sè): to change color (of the face)

Significance in the context of the passage:
These two terms together describe Liu Shao's reaction to hearing that his son had been killed. The fact that he was enraged and that his face changed color indicates that he was deeply angered and upset by the news. This reaction is significant because it shows that Liu Shao was a caring and loving father who was devastated by the loss of his son.

Final English translation:
Liu Shao, hearing this, could not contain his rage and his face grew hard.</s>
Highlight and translate the key terms in the Classical Chinese text: 劭怒，变色。, and explain their significance in the context of the passage.
user
Key terms and their translations:
* 劭怒 (shào nù): to be enraged
* 变色 (biàn sè): to change color (of the face)

Significance in the context of the passage:
These two terms together describe Liu Shao's reaction to hearing that his son had been killed. The fact that he was enraged and that his face changed color indicates that he was deeply angered and upset by the news. This reaction is significant because it shows that Liu Shao was a caring and loving father who was devastated by the loss of his son.

Final English translation:
Liu Shao, hearing this, could not contain his rage and his face grew hard.
assistant