adj.缺乏信心的；不確信的

You are still unconfident with your speaking? 你還是為你的口語(yǔ)自卑嗎？

I am always a people who is unconfident. 這樣是不行的，我要對(duì)自己說(shuō)加油。

I have been unconfident in whether this matter can be accomplished. 這件事情能不能辦成，我心里一直沒(méi)底。

Most of people will feel bashful and unconfident in the social activities. 大多數(shù)人，不同程度地會(huì)在社交活動(dòng)中感到不好意思，沒(méi)有自信。

I am unconfident about myself,because I am unable to understand your thought. 我對(duì)我自己沒(méi)有信心。連你的想法都沒(méi)法了解。