思い知らせてやる

I'll teach you a lesson

→ 思い知らせる
phrase Rare #33,377
I'll teach you a lesson A threatening or confrontational expression meaning that the speaker will make someone understand or regret something. Often used with いつか, meaning “I'll teach you a lesson someday.”
JA: 彼に思い知らせてやる!
EN: I'll teach him a lesson!

ペジテ誇り思い知らせてやる

I'll show you what Pejite pride means.

— 風の谷のナウシカ (1984)

いつか思い知らせてやる私の名誉にかけて

Someday, I'll make you pay—I swear on my honor!

— ニュー・シネマ・パラダイス (1988)

覚悟しろ思い知らせてやる

Get ready—I’m going to teach you a lesson.

— 大人は判ってくれない (1959)

思い知らせてやる

I'll teach you a lesson.

— 大人は判ってくれない (1959)

いつか思い知らせてやる

I'll make you pay for this someday!

— ニュー・シネマ・パラダイス (1988)