单丝不线

dān sī bù xiàn

释义：指一根单独的丝线，不和其他丝线相连，也不与其他物体相连。

用法：此短语常用来形容某物非常细小、脆弱或者微弱。

例句1：她的音乐才华就像是一根单丝不线的丝线，需要小心呵护才能发挥出最好的效果。

Her musical talent is like a single strand of silk, delicate and fragile, needing careful nurturing to bring out its best.

例句2：这种花朵的花瓣非常薄，就像是单丝不线一样，轻轻一触就会掉落。

The petals of this flower are very thin, like a single strand of silk, they will fall off with just a light touch.

例句3：这个小女孩的声音非常柔美，就像是一根单丝不线的琴弦，令人陶醉。

The voice of this little girl is very soft and beautiful, like a single strand of silk on a harp string, it is enchanting.

例句4：这条河流很窄，只有一根单丝不线般宽度，但却流淌着清澈见底的水。

This river is very narrow, only as wide as a single strand of silk, but it flows with crystal clear water.

例句5：他们之间的就像是一根单丝不线，非常微弱，但却始终存在。

The connection between them is like a single strand of silk, very weak, but always present.

同义词及用法：单根丝线、单薄、纤细、微弱、脆弱

编辑总结：单丝不线这个短语形象地表达了某物的细小、脆弱或者微弱。在写作中可以用来形容人的才华、物体的特性或者关系的微妙。同时，也可以用来比喻某种状态或者情感。同义词可根据具体语境进行替换，增加文章的表现力。