to top it all

基本解释

To top it all off, an elegant staircase links the master bedroom with the roof terrace.
更令人意外的是，还有一个优美的楼梯从主卧通向屋顶的露台。
She had become, in the popular western view, the symbol of Chinese resistance: brave, articulate and, to top it all, elegant.
在大多西方人眼中，她成为中国反抗精神的象征：勇敢、善于表达，更重要的是，端庄优雅。
To top it all, the boy, who had recently turned fifteen, was tall, well built, handsome, blond, green-eyed, gallant, and pristine as a tablecloth in Restaurant Pedregal.
更糟糕的是，这个最近刚满15岁的男孩，个子高高、身材健美、英俊潇洒、金发碧眼、骑士风度，而且质朴得就像佩德雷加尔大饭店的桌布。

"I'm all about words. And when it comes to words, poetry is at the top of my list.
And you can very quickly take this feature to an extreme 10 and start putting X and Y and A and B and 10 and all your variables up top because it would seem to solve all of your problems and stop all of your thinking, but it's generally not a good thing.
你可能迅速地使这个特征成为一个极端,开始把X和Y和A和B和0,和所有的变量都放在最前，因为好像它可以,解决你的所有问题，并中止你的想法，但通常这不是一件好事情。
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It's really hard to think of all stuff off the top of my head.
脑子里一时想到的都说出来还真难呢。
只要是音乐就好 - SpeakingMax英语口语达人

And to top it all off, I had psoriasis that was covering almost my whole body.
FORBES: The Education of an Entrepreneur, Episode 1: The Story of Rose Cole

If you have been describing bad things that happened, and then say that to top it all something else happened, you mean that the final thing was even worse.