Tāmen bǎ nàge lǐxiǎnghuà de shídài chēngwéi Kǎmòluò.
They call that idealized era a 'Camelot'.
Tips
culture
Phonetic spelling of 'Camelot', King Arthur's mythical castle. In English the word is also used metaphorically for the Kennedy White House (1961-63), a usage that occasionally surfaces in Chinese subtitles of American films and political docs.
usage
Other transliterations exist (卡米洛, 卡梅洛). 卡默洛 stresses the silent middle vowel - 默 (silent) is chosen for its sound, not meaning.