Poco convincente (en. Unconvincing)

Translation into Spanish

The archaeological community was skeptical and his theories were criticized by such noted historians as Richard Atkinson, who denounced the book as being "tendentious, arrogant, slipshod, and unconvincing".
La comunidad arqueológica fue escéptica y sus teorías fueron rechazadas por notables prehistoriadores como Richard Atkinson, que denunció que el libro era "tendencioso, arrogante, inmaduro e inconvincente".
Example taken from data source: Wikipedia_v1.0
In particular, the justification for an additional 132 posts was unconvincing, given current vacancy levels.
En particular, no resulta convincente la justificación de 132 puestos adicionales teniendo en cuenta los niveles actuales de las vacantes.
Example taken from data source: MultiUN_v1
The State party finds this explanation unconvincing.
El Estado Parte estima que la explicación no es convincente.
Example taken from data source: UNPC_v1.0
Mr. Mazzoni (Italy) said that he found that explanation unconvincing.
El Sr. Mazzoni (Italia) dice que no ha quedado convencido por esa explicación.
Example taken from data source: UNPC_v1.0
Labour’s leader, Ed Miliband, was widely derided last year as weak, unconvincing, and unlikeable; but, perhaps benefiting from low expectations, he has looked steadily more credible and statesmanlike as the campaign has gone on.
El líder laborista Ed Miliband fue ampliamente ridiculizado el año pasado como débil, poco convincente y poco agradable; pero tal vez gracias a las bajas expectativas, ha mejorado continuamente su credibilidad e imagen de estadista durante la campaña.
Example taken from data source: News-Commentary_v16
The cap’s defenders will sound unconvincing, because the economic case for it is weak in the absence of extreme credibility problems.
Los defensores del tope sonarán poco convincentes, porque el argumento económico para defenderlo es débil en ausencia de problemas de credibilidad extremos.
Example taken from data source: News-Commentary_v16
The killing of civilians in such a manner was intolerable, and the explanation provided by the Israeli Government was unconvincing.
Un asesinato de civiles como éste es intolerable, y las explicaciones dadas por el Gobierno israelí no son convincentes.
Example taken from data source: MultiUN_v1