They are shielding him and throwing dust in the eyes of the police.他们蒙蔽警察来包庇他。He held up his hands, shielding his eyes from the sun.他抬手遮住眼睛免受阳光照射。Fuel taxes were reduced, shielding industry from the effects of the rise in oil prices.减少燃料税，使工业免受油价上涨的影响。