ほんの冗談

just a joke

→ 本の
phrase Rare #33,765
just a joke Used to reassure someone that something was not meant seriously. ほんの means “mere” or “only.”
JA: 怒らないで、ほんの冗談だよ。
EN: Don't get angry—it was just a joke.

ほんの冗談だよ

I'm only joking.

ほんの冗談にすぎない

It’s just a joke.

ほんの冗談だよ

I'm just kidding.

— TAXi (1998)

ほんの冗談です

I'm just kidding.

— きっと、うまくいく (2009)