"No offence," she said, "but your sister seems a little gloomy."

“没有冒犯的意思，”她说：“不过你妹妹似乎有点悲观。”

I'm sure he meant no offence when he said that.

我相信他那么说并无冒犯的意思。

No offence, but I'd really like to be on my own.

我无意冒犯，但我确实想自己一个人。

Note: No offence to all car drivers!

注意：老张无意冒犯所有开车的人！

"No offence, I hope," returned the old man.

“我希望没有冒犯你们，”老人答道。