他在辩论中理直气壮，赢得了大家的认可。
tāzài biànlùn zhōng lǐzhíqìzhuàng ， yíngde le dàjiā de rènkě 。
He spoke boldly and confidently in the debate, earning everyone's recognition.
因为他的观点正确，所以他理直气壮地发表了自己的看法。
yīnwèi tāde guāndiǎn zhèngquè ， suǒyǐ tā lǐzhíqìzhuàng dì fābiǎo le zìjǐ de kànfǎ 。
Because his viewpoint was correct, he expressed his opinion with confidence.
面对不公，他总是理直气壮地站出来反对。
miànduì bùgōng ， tā zǒngshì lǐzhíqìzhuàng dì zhàn chūlái fǎnduì 。
In the face of injustice, he always stands up boldly and courageously to oppose it.