っすよ

you know

→ だ
phrase Rare #27,936
you know A very casual contraction of ですよ, used to make an assertion sound emphatic or to bring it to the listener’s attention. The exact English wording depends on context.
JA: これ、けっこう大事っすよ。
EN: This is pretty important, you know.

だから瀧の勘違いっすよ

So, Taki just got the wrong idea.

— 君の名は。 (2016)

ああ・・・役者っすよねぇ

Oh... you're an actor, right?

— One Cut of the Dead (2017)

いやそいつ俺の幼なじみっすよ

No, that guy’s my childhood friend.

— Love Letter (1995)

そりゃ持って帰ったっていいっすよ?

Sure, you can take it home.

— AKIRA (1988)

ここ絶対妥協しちゃダメっすよ

You absolutely can’t compromise on this.

— One Cut of the Dead (2017)

けど幻影じゃ人は殺せないっすよ

But you can't kill people with illusions.

— PERFECT BLUE (1998)

知らないっすよ

I have no idea.

— GHOST IN THE SHELL (1995)