in a way that shows that you feel sure about your own ability to do things and be successful Carla smiled confidently at the cameras. 卡拉自信地对着镜头微笑。
in a way that shows you feel certain that something will happen in the way that you want or expect 肯定的；确信的；有把握的 Investors can confidently expect to make an average of 5% a year. 投资者可以放心地期望每年平均赚5％。