Please darn with red thread.

请用红色的线织补。

youdao

I need some red thread to sew this dress.

我需要一些红线缝制这件连衣裙。

youdao

Consider a thousand buttons on the floor and a spool of red thread.

请你考虑地板上有一千个钮扣和一轴红色的线。

youdao

One wedding dress from Egypt is made of red material covered in designs of gold thread.

VOA: special.2009.03.11

Prostitutes' union, De Rode Draad (Red Thread), which represents 20, 000 sex workers, is fiercely opposed to the plan.

BBC: Newsbeat - The P Word - Amsterdam plans 'cannabis clean up'

Still, he says, he followed a fil rouge--a red thread--that led him unswervingly toward Switzerland's grand patrimoine de l'horlogerie.

FORBES: Time Is Money