Good and evil are like a white and a black thread that make up a single strand.

善与恶就像一条白线和一条黑线，合而为一。

The murderer had worn a coat dark enough to be furnished with a black button and black sewing thread.

凶手穿了一件深色外套，配有黑色纽扣和黑色缝纫线。

Finally she tied a bit of black thread round the upper part of the head, in faint resemblance to a snood worn for confining the hair.

最后，她又在蜡像人头的上部扎了一段黑线，有点类似拢头发用的束发带。

His soul was at peace, now that he had settled with Sid for calling attention to his black thread and getting him into trouble.

他的灵魂平静了，现在他已经和 Sid 达成和解，因为他引起人们对他的黑线的注意并给他惹上了麻烦。

And grandma put her hand, with the black thread glove that was worn through on her ring finger, against his cheek, and she sobbed, " God bless you, my own brave son" !

外婆用无名指上磨破的黑线手套的手，贴在他的脸颊上，抽泣着说：“上帝保佑你，我勇敢的儿子！”