prima donna
noun [ C usually singular ] uk/ˌpriː.mə ˈdɒn.ə/ us/ˌpriː.mə ˈdɑː.nə/
（歌剧团的）首席女歌唱演员
the most important female singer in an opera company
disapproving妄自尊大的人
someone who demands to be treated in a special way and is difficult to please
I had to entertain visiting authors and some of them were real prima donnas. 我不得不款待来访的作家，其中有些人实在是自以为很了不起。