He told her their affair would have to stop, because Jack Smith was blackmailing him.

他告诉她他们俩的风流韵事不得不到此为止，因为杰克·史密斯正在借此敲诈他。

《柯林斯英汉双解大词典》

GM CEO Jack Smith was already in the air flying from Detroit to Beijing before the Chinese would confirm the location of the signing ceremony.

通用汽车首席执行官杰克•史密斯已经登上了底特律飞往北京的飞机，但中方还未确定举行签约仪式的地点。

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The car was registered to Jack Smith.

汽车登记注明车主为杰克·史密斯。

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Jack Smith's way is to work the machine, not just throw a spanner in it.

ECONOMIST: The quiet man

They turned to Jack Smith, who in turn signed on Mr Wagoner, then barely 40, as one of his top lieutenants.

ECONOMIST: The world's biggest carmaker is at sea and floundering

For years I have been an unrelenting critic of General Motors and the management team of Jack Smith (now chairman of the board) and Rick Wagoner Jr.

FORBES: Magazine Article