unconvincing argument 不具说服力的论点
unconvincing evidence 不足的证据
unconvincing excuse 站不住脚的借口
A: Do you think the evidence is strong enough?
A：你认为这些证据足够充分吗？
B: No, it's quite unconvincing.
B：不，它非常缺乏说服力。
1) 缺乏说服力的
2) 不令人信服的
3) 站不住脚的
1. 无法令人信服的
adjective
1. not able to convince someone; not believable or persuasive.
Synonym: implausible, dubious