I don't know how you can say things like that.
真想不到你怎么會說出這種話來。
I said I'd go just to keep him happy.
我說過我要去只是為了讓他高興。
It's a free country; I'll say what I like!
這是個自由的國家，我想說什么就說什么！
It's not for me to say why he left.
不適宜由我說出他離開的原因。
He said he would be here at eight o'clock.
他說他將在八點鐘到達這里。