put the frighteners on someone

slang

(slang) To intimidate or coerce someone using threats of violence.

Japanese Meaning

（スラング）暴力の脅威を用いて相手を脅し、威圧すること / （口語）恐喝する、脅迫によって相手を屈服させること

The gang leader ordered his henchmen to put the frighteners on someone who refused to pay protection money.

そのギャングのリーダーは、手下たちに、保護費を払うのを拒んだ人物を暴力の脅しで脅すよう命じた。

Sense（1）

(slang) To intimidate or coerce someone using threats of violence.

That scumbag still owes me five grand. Send Billy round to put the frighteners on him.

puts the frighteners on someone

（ present singular third-person ）

putting the frighteners on someone

（ participle present ）

put the frighteners on someone

（ participle past ）

put the frighteners on someone

（ past ）