没有说服力

His arguments were unpersuasive, leaving the jury with more questions than answers.
他的论点缺乏说服力，让陪审团感到困惑，问题多于答案。
The politician's promises seemed unpersuasive to the voters, who remained skeptical.
政治家的承诺对选民来说并不具说服力，他们仍然持怀疑态度。
Her plea for leniency was unpersuasive to the judge, who sentenced her to the maximum penalty.
她的求情在法官面前显得不具说服力，他判处了她最高刑罚。
The ad campaign failed to convince consumers, as sales remained flat despite its colorful visuals and catchy jingle.
广告活动未能说服消费者，尽管视觉效果丰富，旋律动听，但销售额并未增长。
The defendant's alibi sounded unpersuasive, filled with inconsistencies that raised doubts in the minds of the investigators.
被告的不在场证明听起来不可信，充满了矛盾，这使得调查人员心生疑虑。
Despite his passionate speech, the audience remained unconvinced, finding his arguments unpersuasive.
尽管他激情澎湃地演讲，听众依然不信服，认为他的论据没有说服力。
The company's attempt to justify the price hike was seen as unpersuasive by both customers and regulators.
公司试图为价格上涨辩解，但这对顾客和监管者来说都不具有说服力。
The witness's testimony contradicted itself so many times that it became unpersuasive to the court.
证人的证词多次自相矛盾，以至于法庭对其失去了信任。
The teacher found the student's excuse for missing class unpersuasive and imposed a penalty.
老师认为学生缺课的理由缺乏说服力，因此对他进行了处罚。
The proposal lacked concrete evidence to support its claims, making it an unpersuasive argument.
该提案缺乏支持其主张的具体证据，使其论点显得无力。