I became confident.

我变得自信了。

youdao

I became confident and made great progress, teacher's inspiration is so important for me.

我变得有自信，取得了很大的进步，老师的鼓励对我来说很重要。

youdao

It is through confiding to you my sorrow that I became confident and patient all over again.

我向你倾诉了我的苦恼，是你让我重新自信并耐心起来。

youdao

It was when cabinet ministers began to say that she could not go on that I became confident enough of the trend to predict the end of what had been an exciting period in British politics.

BBC: John Cole: Me and Mrs Thatcher

The more I looked into the product, the more confident I became that it was a good one.

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