《资治通鉴·晋纪·晋纪十六》
石勒心中同意，但未能照办。
勒心然之，而未能从。
Shi Le agreed in his heart, but he failed to do so.
<s>[INST] Convert the following English text into Classical Chinese: Shi Le agreed in his heart, but he failed to do so. [/INST] 勒心然之，而未能从。</s>
Convert the following English text into Classical Chinese: Shi Le agreed in his heart, but he failed to do so.
user
勒心然之，而未能从。
assistant