n.[C]

1. （纱、线等的）一束，一绞[（+of）]
2. （野禽的）一群[（+of）]
   I saw a skein of wild geese flying south yesterday.

   我昨天看见了一群大雁往南飞。

3. 混乱的一团；（错综复杂的）一系列，一连串
   a tangled skein of problems

   盘根错节的一堆难题

n.

1. a length of thread or yarn, loosely coiled and knotted.
2. a flock of wild geese or swans in flight, typically in a V-shaped formation.