failing to make you believe that something is true or real
an unconvincing smile
an unconvincing explanation
Some readers will find the arguments unconvincing.
1. However, King´s theory was thought unconvincing by many people as it was based upon reasoning, not experimental proof. 然而，金的理论被很多人认为是不能令人信服的，因为它是根据推理得来的，而不是通过实验证明的。