が全然ない

there is no … at all

→ が
phrase Rare #24,806
there is no … at all Used to emphasize that something is completely absent or lacking.
JA: この店には駐車場が全然ない。
EN: There is no parking lot at this store at all.

センスが全然ないわ。

I have absolutely no sense of style.

お金が全然ないの。

I have no money at all.

それには疑問の余地が全然ない。

There’s absolutely no doubt about it.

彼にはユーモア精神が全然ないようだ。

He seems to have no sense of humor at all.

効果が全然ないのよね

It doesn't work at all.

— サイコ (1960)