This was the point at which he was to meet his Waterloo.

这将会是他最终失败之处。

《牛津词典》

You will unlikely to meet your Waterloo during your lifetime because of your modesty.

由于你的谦虚个性，在你一生中，大概不致惨败。

youdao

Economic models that fail to accommodate this reality are likely to meet their Waterloo in Africa.

FORBES: Poor Infrastructure Is Africa's Soft Underbelly

As if to dismiss that as too simple a challenge, according to press reports of the day, he then flew under at least three other, much lower, bridges - London Bridge, Blackfriars and Waterloo - before stepping ashore at Westminster to be greeted by a cheering crowd who had gathered to meet a dignitary expected by boat from Paris.

BBC: Frank McClean: Forgotten pioneer of the sky