他学习很用功，成绩一直很好。

Tā xuéxí hěn yònggōng, chéngjì yìzhí hěn hǎo.

He studies very diligently, and his grades have always been good.

要学好中文，需要下很多功夫。

Yào xuéhǎo Zhōngwén, xūyào xià hěn duō gōngfu.

To learn Chinese well, you need to put in a lot of effort.

这些成功离不开大家的努力。

Zhèxiē chénggōng líbukāi dàjiā de nǔlì.

These successes cannot be separated from everyone’s hard work.