Yeterince inandırıcı değildim.
 - I wasn't persuasive enough.
Tom aşırı derecede ikna edicidir.
 - Tom is extremely persuasive.
Tom oldukça ikna edici olabilir.
 - Tom can be quite persuasive.
By using the utmost tact and persuasiveness, he was inducing his uncle to cough up very grudgingly a small quarterly allowance.