He twisted the three ropes to make one very strong rope.

他把3根绳子搓成一根非常结实的绳子。

《新英汉大辞典》

When you've got a good strong rope.

于是便可求得一条刚韧的绳索。

youdao

The strong rope is twisted from 4 ropes.

这条结实的绳子是用4条绳子搓成的。

youdao

Death waited ever hungry. Death had the hungriest stomach of all. Koskoosh listened to other sounds he would hear no more: the men tying strong leather rope around the sleds to hold their belongings;

VOA: special.2010.02.27

To get the whole thing to the surface, a very long, very strong rope was attached to the captured chimney at one end and to floats at the other, and paid out until it reached the surface at which point a ship hauled up the booty.

ECONOMIST: 20,000 leagues under the sea

And in any decade, our rakish-at-any-age man Gekko would have liked the strong thread in the tax law really more of a hawser-sized rope about keeping your taxes as low as possible.

FORBES: Gordon Gekko Tax Moves