Then I try a very delicate butterfly pendant and bracelet that are so feather-light, I almost shoplift them by mistake.

于是我又试了一个精巧的蝴蝶结和手镯，这两样东西简直轻如羽毛，我几乎顺手牵羊将它们偷走。

youdao

He once tried to put in a brighter light in his bedroom, but he made a mistake. Then his whole house had a power cut.

曾经有一次他试图在他的卧室里安装一盏更亮的灯；但是他犯了一个错误，整个房间都停电了；

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They took all the surgical equipment with them, including light sources. That way, in case they made a mistake, nobody else would die.

他们随身携带了所有的手术设备，包括手术灯。这样的话，即使他们出了错，也不会伤及他人。

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Friends of the Earth said "a green light for shale gas would be a costly mistake for our country and countryside".

BBC: Autumn statement: A future for shale gas in Wales?

How would you like a job where, every time you make a mistake, a big red light goes on and 18, 000 people boo?

FORBES: Magazine Article

David John, a senior research fellow at the conservative-leaning Heritage Foundation in Washington, says it "would be a grave mistake" to assume that these political donations means bank regulation will be meted out with a light touch.

FORBES: Business In The Beltway