The table is six feet long.

那张桌子长六英尺。

《牛津词典》

He's six feet tall and weighs 200 pounds.

他身高六英尺，体重200磅。

《牛津词典》

He was six feet four, all lanky and leggy.

他身高6英尺4英寸，瘦高笨拙，大长腿。

《柯林斯英汉双解大词典》

The "six" in the expression comes from the six feet that make up a fathom which is a little less than two meters.

VOA: special.2009.05.24

But the guards, the "Giants," they were called, who guarded Frederick the Great were giants because they were six feet tall.

不过,腓特烈大帝的警卫团,只是因为身高6英尺,就被称为"巨人团"

耶鲁公开课 - 欧洲文明课程节选

He would be consumed with the consideration of whether to bury it here or whether to bury it there -- or should he bury it two feet under, or maybe he should bury it six feet under?

他会一直想把它埋在这里还是那里,或者埋两英尺还是，六英尺？

耶鲁公开课 - 弥尔顿课程节选

Right after the storm, he says, the water was over six feet high in some places.

NPR: Hurricanes Deal Sugar Industry a Serious Blow

The wooden nesting box was attached to a girder about six feet below the road bed.

WSJ: 4 falcon chicks living on NY-NJ bridge are banded

Painter is six feet three and forty-two, with dark hair, rimless eyeglasses, and a deep voice.

NEWYORKER: Bones of Contention