信用できん

can't trust

→ 信用
phrase Rare #42,217
can't trust A colloquial form of 信用できない. The person doing the trusting is often left unstated.
JA: あの人の話は信用できん。
EN: I can't trust what that person says.

汚い言葉を使わない者は信用できん

You can't trust anyone who doesn't swear.

— フォーリング・ダウン (1993)

信用できん

I don't trust you.

— ブレット・トレイン (2022)

でも誰も信用できん

But I can't trust anyone.

— 預言者 (2009)

マッチを信用できん

I can't trust matches.

— 不思議惑星キン・ザ・ザ (1986)