clap eyes on

见 eye

clap hold of

(informal)grab someone or something roughly or abruptly

(非正式)猛然抓住（某人，某物）

clap someone in jail (或 irons)

put someone in prison (or in chains)

将某人投入监牢；给某人戴上镣铐

clap something on

abruptly impose a restrictive or punitive measure

强加（限制）；强制执行（惩罚性措施）

most countries clapped on tariffs to protect their farmers.

大多数国家强征关税以保护本国农民利益。