It was on Nov 4, 1923, the British archaeologist Howard Carter stumbled on a stone at the base of the tomb of another pharaoh in Luxor that eventually led to a sealed doorway.

1923年11月4日，英国考古学家霍华德·卡特在卢克索另一位法老墓的底部偶然发现了一块石头，这块石头最终通向了一个封闭的门口。

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Bown and his colleagues stumbled across it while they were doing geological mapping in the region.

鲍恩和他的同事在该地区进行地质测绘时偶然发现了它。

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I nearly stumbled over it.

我差点被它绊倒。

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I stumbled and put "built" in the wrong place when I read it. It's a strange line.

我刚刚有点结巴，把建筑,念错了位置，这句很奇怪。

耶鲁公开课 - 现代诗歌课程节选

It stumbled against a log, fell to its knees, and got up clumsily.

NPR: Excerpt: 'Lost in Uttar Pradesh'

It was only when Toyota lost sight of this priority and succumbed to the tempting desire to be number one that it stumbled.

FORBES: Dispelling The Notion That All Cars Need To Be Stylish and Sporty To Succeed

Selling high-end integrated circuits, amplifiers and switchers to telecom equipment hubs in the late 1990s, it stumbled before the tech implosion of 2000, with its profits dropping 40% in 1998.

FORBES: Where Are They Now?