If you wish really hard, maybe you'll get what you want.
心誠則靈。
You may come if you wish.
如果你愿意可以來。
Give my good wishes to the family.
請替我向全家致意。
I have some information you may be able to use.
我有些可能對你有用的信息。
The last time I saw him was in May.
我上次見到他是在五月份。
Someone might find out, and that would never do.
也許有人會發現，那是絕對不行的。