a. 纠缠不清的

[ adj ]
tangled in knots or snarls
<adj.all>
a mass of knotted stringsnarled thread

Snarl \Snarl\, v. t. [imp. & p. p. {Snarled}; p. pr. & vvb. n.
{Snarling}.] [Etymol. uncertain.]
To form raised work upon the outer surface of (thin metal
ware) by the repercussion of a snarling iron upon the inner
surface.