英语翻译be confident of doing sth.还是be confidence of doing sth.

英语翻译be confident of doing sth.还是be confidence of doing sth. be confident of doing sth,那么be confident of to do sth是不是也可以? be afraid of doing sth be worthy of sth / doing sth. be afraid of 是doing sth还是do sth be afraid to do sth be afraid of doing sth be afraid of doing sth be busy doing sth be glad to do buy s be afraid of doing sth./ that… 8.be busy doing sth.9.be famo be worried doing sth 还是be worried about doing sth be afraid of sth ,be afraid of doing sth ,be terrified of si have confidence in,be confident of有什么区别,后面都可加sth.,sb. Be/feel confident of sth.that clause