hallelujah
exclamation, noun [ C ] (also alleluia) uk/ˌhæl.ɪˈluː.jə/ us/ˌhæl.ɪˈluː.jə/
哈利路亚（对上帝的赞美）
(an emotional expression of) praise and thanks to God
informal humorous哈利路亚（对出乎意料的好事表示惊讶和高兴）
said to express surprise and pleasure that something positive that you were certain would not happen has happened
At last, Richard's found himself a girlfriend - hallelujah! 理查德终于找到了女朋友——真是感谢上帝！