adj.不足以令人相信的；難以置信的
All these theories are rather unconvincing. 所有這些理論都十分的不足以令人相信。
This kind of evidence is philosophically unconvincing. 這類證據(jù)在哲學(xué)上是不足為信的。
Tom's excuse sounds very hollow and unconvincing. 湯姆的借口聽(tīng)起來(lái)很空洞，難以令人信服。
