I have some information you may be able to use.

　　我有些可能對你有用的信息。

　　I haven't been able to get much work done today.

　　我今天未能干多少工作。

　　He hopes to write a book about his experiences one day.

　　他希望有一天寫一部關于自己經歷的書。

　　It's about this high.

　　大約有這么高。

　　People are often afraid of things they don't understand.

　　人往往對自己不懂的東西感到恐懼。

　　He's no better, I'm afraid to say.

　　我很抱歉地說，他一點也不見好轉。