zì
xìn
1
to have confidence in oneself
2
self-confidence
他们跟外国人说英语的时候越来越有自信
They became more and more confident when talking with foreigners in English!
她一直努力工作,很自信今年会成为经理。
She has always worked very hard, she's confident that she can become the manager this year.
我们应该要对自己有自信
We should have confidence in ourselves.
我们要有自信,可是不要骄傲。
We need to have self confidence, but shouldn't be arrogant.
他看起来一点自信都没有。
He doesn't seem to have any self confidence.