confidence的形容詞形式是什麼

雙語例句：

1、He expressed his confidence that they would win.

他表示了自己的'信心：他們必定取勝。

2、The players all have confidence in their manager.

隊員都信賴他們的教練。

3、This announcement is bound to shake the confidence of the industry.

這個聲明必將動搖這一行業的信心。

4、As she grew older she gained in confidence.

隨着年齡的增長她的信心增強了。

5、I have confidence in them.

我對他們有信心。

6、You should have confidence in yourself.

你應該對你自己有信心。