他虽然身体很累，但精神还是很好。

Tā suīrán shēntǐ hěn lèi, dàn jīngshén háishì hěn hǎo.

Although his body is very tired, his spirits are still high.

这种永不放弃的精神值得我们学习。

Zhè zhǒng yǒng bù fàngqì de jīngshén zhídé wǒmen xuéxí.

This spirit of never giving up is worth learning from.

今天你看起来精神不太好，是不是没睡好？

Jīntiān nǐ kàn qǐlái jīngshén bù tài hǎo, shì bùshì méi shuì hǎo?

You don't look so well today — did you not sleep well?