他在辩论中理直气壮地捍卫自己的观点。

Tā zài biànlùn zhōng lǐzhíqìzhuàng de hànwèi zìjǐ de guāndiǎn.

He defended his point of view righteously in the debate.

面对困难，他总是理直气壮地前行。

Miànduì kùnnán, tā zǒng shì lǐzhíqìzhuàng de qiánxíng.

In the face of difficulties, he always moves forward with righteousness.

做了正确的事情，你就可以理直气壮。

Zuòle zhèngquè de shìqíng, nǐ jiù kěyǐ lǐzhíqìzhuàng.

If you do the right thing, you can be bold and righteous.