I have a strong passion to do research on historical sites.
Examples (Wiktionary)
Mandarin
赤忱
赤忱
chì chén
absolutely sincere
Mandarin
所以一切老干部应该以极大的热忱欢迎新干部，关心新干部。
所以一切老幹部應該以極大的熱忱歡迎新幹部，關心新幹部。
suǒ yǐ yī qiè lǎo gàn bù yīng gāi yǐ jí dà de rè chén huān yíng xīn gàn bù ， guān xīn xīn gàn bù ．
All old cadres, therefore, should welcome the new ones with the utmost enthusiasm and show them the warmest solicitude.
Mandarin
鲁迅是在文化战线上，代表全民族的大多数，向着敌人冲锋陷阵的最正确、最勇敢、最坚决、最忠实、最热忱的空前的民族英雄。
魯迅是在文化戰線上，代表全民族的大多數，向着敵人衝鋒陷陣的最正確、最勇敢、最堅決、最忠實、最熱忱的空前的民族英雄。
lǔ xùn shì zài wén huà zhàn xiàn shàng ， dài biǎo quán mín zú de dà duō shù ， xiàng zhe dí rén chōng fēng xiàn zhèn de zuì zhèng què ， zuì yǒng gǎn ， zuì jiān jué ， zuì zhōng shí ， zuì rè chén de kōng qián de mín zú yīng xióng ．
Representing the great majority of the nation, Lu Xun breached and stormed the enemy citadel; on the cultural front he was the bravest and most correct, the firmest, the most loyal and the most ardent national hero, a hero without parallel in our history.