lì shǐ shàng duì shí lè de píng jià bāo biǎn bù yí, dàn tā què shí shì yí wèi jié chū de jūn shì jiā.

历史上对石勒的评价褒贬不一，但他确实是一位杰出的军事家。

Historical evaluations of Shi Le are mixed, but he was indeed an outstanding military strategist.