knocked away的 意思

knock sb down (HIT WITH A VEHICLE) phrasal verb [M often passive] UK
to hit someone with a vehicle and injure or kill them致命的击打:
She was knocked down by a bus.
knock sb/sth down (MAKE FALL) phrasal verb [M]
to cause someone or something to fall to the ground by hitting them打到
knock sth down (DESTROY) phrasal verb [M]
to destroy a building or part of a building建筑物摧毁:
The Council plans to knock the library down and replace it with a hotel complex.
FIGURATIVE She easily knocked down every argument he put up.