I have some information you may be able to use.
我有些可能对你有用的信息。
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.
他希望有一天写一部关于自己经历的`书。
It's about this high.
大约有这么高。
People are often afraid of things they don't understand.
人往往对自己不懂的东西感到恐惧。
He's no better, I'm afraid to say.
我很抱歉地说，他一点也不见好转。