convincing
Me pediste algo que fuera convincente, algo que fuera real.
You asked me for something convincing, something real.
— Durante la tormenta (2018)
El argumento es riguroso y coherente pero a fin de cuentas poco convincente.
The argument is rigorous and coherent but ultimately unconvincing.
Very convincing.
Ese es un argumento muy convincente.
That’s a very convincing argument.
Su explicación es poco convincente.
His explanation is unconvincing.
Bueno, si lo hace, entonces es muy convincente.
Well, if he does, then he's very convincing.