刀は

the sword

→ 刀
phrase Rare #22,377
the sword は marks 刀 as the topic and can add contrast; it is often left untranslated in English.
JA: 刀は私が預かります。
EN: I’ll look after the sword.

刀は親友への一番の贈り物とか…

A sword is supposedly the best gift for a close friend...

— さらば、わが愛/覇王別姫 (1993)

その刀は王子にふさわしい。

That sword is fit for a prince.

刀はあまりに長い間隠されていました

The sword had been hidden for far too long.

— レッドクリフ Part I (2008)

その刀は君が渡してくれ

You hand me that sword.

— The Garden of Sinners: Paradox Spiral (2008)

でもなあの奥方が言った通り本当にいい刀は鞘に入ってる

But, you know, just like that lady said, a truly fine sword stays in its sheath.

— Sanjuro (1962)

でも本当にいい刀は鞘に入ってるもんですよ

But a truly good sword stays in its scabbard.

— Sanjuro (1962)

幹也刀はもらってくぜ

Mikiya, I’m taking the sword with me.

— The Garden of Sinners: Paradox Spiral (2008)

とりあえず刀は背中に隠そう

For now, let’s hide the sword behind our backs.

— Demon Slayer -Kimetsu no Yaiba- The Movie: Mugen Train (2020)