But some things are personal or private, and questions about them are not polite.
但是有些事是私人的,问这些方面的问题是不礼貌的。
Liars have need of good memories.
谎言者要有好的记忆力。
The more expensive kind of antique shop where rare objects are beautifully displayed in glass cases to keep them free from dust is usually a forbidding place.