/?sw?t?.??ru?/anunexpectedchange,especiallyone in which one thing orpersonisquicklyorsecretlyexchangedfor another:骤变，突如其来的变化Deviouswebsitescouldpulla switcheroo onyourhomepageandinstallspyware.欺诈网站可能会在你的主页上突然发生什么变化并安装间谍软件。Lopez was at thirdbaseand Figgins at second - that's a switcheroo from what mostexpected.洛佩兹在三垒，费金斯在二垒——这是一个出乎大多数人意料的变化。More examples
The singer's late-career switcheroo is notunusual; many long-livedactschangethings upoccasionally.
Scientists who tookpartin the show said theproducerspulleda switcheroo so they were not doing theinterviewstheythoughtthey hadagreedto.
The non-cutesisterBlanche used to bejealousofJane! But then there was a switcheroo. BlanchebecameabigmoviestarandJanebecamea nobody.
