1. 讲不通:unconvertible 不能变换的 | unconvincing 讲不通 | uncooked 未煮过的
2. 没有说服力的:convenient 方便的 | unconvincing 没有说服力的 | culture 文化
3. 不令人信服的;难以置信的:Ambitious 雄心壮志的、野心勃勃的 | Unconvincing不令人信服的;难以置信的 | Arrogant傲慢的;自大的;自负的
adj
1. not convincing
e.g. unconvincing argument
as unconvincing as a forced smile
Synonym: flimsy
2. having a probability too low to inspire belief
Synonym: improbableunbelievableunlikely