lǎo / shī / tōng / guò / kuā / fù / de / gù / shi / gào / su / wǒ / men / yào / jiān / chí / zì / jǐ / de / mù / biāo

老师通过夸父的故事，告诉我们要坚持自己的目标。

The teacher used the story of Kua Fu to teach us to persist in pursuing our goals.