J A K W
そんな器 (じゃない） [そんなうつわ (じゃない）]
H: sonnautsuwa(janai) | N/K: sonnautuwa(zyanai)
Lit./Com. that container
1. not fit for; not cut out for; lacking in; don't have what it takes
俺はまだそんな器じゃねぇ！
I'm not cut out for it just yet!
https://twitter.com/zoid9000/status/1397283834199265282