ad fin

中文含义：到底、终究

英语词性：adverb（副词）

美式发音：æd fɪn

同义词：finally, ultimately, eventually

易混淆单词：ad infinitum

双语例句：

1. He studied for hours, but ad fin failed to understand the complex theory.（他学习了数小时，但最终仍未能理解这个复杂的理论。）

2. Ad fin, she realized that pursuing wealth would never make her truly happy.（到最后，她认识到追求财富永远不能让她真正快乐。）