chí / táng / lǐ / yǎng / le / bù / shǎo / qīng / yú / qiū / tiān / zhèng / shì / tā / men / zhǎng / de / zuì / kuài / de / shí / hou

池塘里养了不少青鱼，秋天正是它们长得最快的时候。

Many black carp are raised in the pond, and autumn is when they grow fastest.