at last

at last, at length, eventually, finally, in the end, lastly

这些词或词组均含有“最后，终于”之意。
at last: 多指经主观努力，克服各种困难后才终于达到目的。
at length: 强调经历一段长时间后终于完成，侧重在时间部分。
eventually: 侧重于动作或行为的结果。
finally: 常与at last换用，都可用于对往事的描述，但finally不带感情色彩，指一系列事情的最后结局。
in the end: 与at last同义，但in the end不仅可指“过去”还可表示对“未来”的预计。
lastly: 指连续顺序的最后，通常用在列举事情的场合。

副词 at last:

1. as the end result of a succession or process
   同义词：ultimately, finally, in the end, at long last

1. The big moment has come at last!
   重要的时刻终于到来了！
2. Because of his irresolute character, we were defeated at last.
   因为他性格的软弱，我们最终被打败了。
3. The ship went down and at last went out of sight.
   船在下沉，最后消失不见了。
4. He showed his sinister motive at last.
   他终于露出了他那邪恶的用心。
5. Your efforts will not come to no avail, if you can achieve something at last.
   如果最后你能够有所成就，你的努力就不会白费。
6. After much delay, he finished his paper at last.
   拖了那么久，他终于完成了论文。
7. The two sides come to reconciliation at last.
   这两方面最后讲和了。
8. Only in 1687 did he at last publish his new theory.
   终于在一六八七年他发表了他的新理论。