It took me a long time to thread my way through the crowd.
我花了很长时间才从人群中挤过去。
The author skilfully draws together the different threads of the plot.
作者娴熟地把情节的.各种线索串联在一起。
A common thread runs through these discussions.
这些讨论都贯穿着一条共同的主线。
A tiny wire is threaded through a vein to the heart.
一根细金属丝从静脉里穿到心脏。
She snipped at the loose threads hanging down.
她把垂下来的线头剪掉。