“that ship has sailed”别理解成“那艘船开走了”，真实含义是错过了（做某事的）机会。

【例句】
I thought I'd still be eligible for their internship program, but it sounds like that ship already sailed.
我还以为我有资格参加他们的实习项目，但是听起来我已经错过了机会。

He could have been gotten drafted to a professional football team if his hand hadn't gotten injured. Now, that ship has sailed.
她本来可以被一支专业的橄榄球选中，如果他的手没有受伤，现在已经错过了机会。