knock off
[phrasal verb] informal 1
knock off or knock (something) off or knock off (something) : to stop doing something (such as work)停止,中断(工作等) —
often used as a command to tell someone to stop doing something immediately(常用作命令)马上停止 2 knock (something) off or knock off (something)
a : to do or make (something) very quickly快速做完 b : to take (an amount) away from something减少 c US : to steal money or things from (a bank or store)从(银行或商店)偷钱(或东西) d chiefly British : to steal (something)偷(东西) e US : to make a cheaper copy of (something)仿制 — see also knockoff 3 knock (someone) off or knock off (someone)杀死
b US : to defeat (someone)击败;打败