1.choked with silt2.silted up
1.silted up2.obstructed by silt3.variant of 瘀滞[yū zhì]
to warp (fertilize land by flooding)
to dredge; to remove sludge
1.lit. to grow out of the mud unsullied (idiom)2.fig. to be principled and incorruptible
1.bruise2.patch of bruising