我竟然心存怀疑，真是太愚蠢了。

I feel how foolish I am to entertain doubts.

youdao

很抱歉！那样说真是太愚蠢了-我也不知道自己是怎么了。

I'm sorry! That was a stupid thing to say - I don't know what came over me.

youdao

我以前以为他值得信任，真是太愚蠢了。

I was fool into thinking that he was trustworthy.

youdao

这真是太愚蠢了，我竟然得学习怎么走路！

It does seem silly that I should have to learn how to walk!

youdao

这真是太愚蠢了，我竟然得学习怎么走路！

It does seem silly that I should have to learn how to walk!

youdao