0 to hit someone with a vehicle and injure or kill them: --
She was knocked down by a bus.
1 to persuade someone to reduce the price of something they are selling: --
knock sb down from/to sth She wants $120 for the bike, but I'll try and knock her down to $90.
NYA ORD
European
May 10, 2021
DAGENS ORD
Shimmer
knock sb down