1. There was no doubt that we were unwelcome visitors.
    毫无疑问，我们的来访是不受欢迎的。

2. And if, with the decay of vitality, weariness increases, the thought of rest will be not unwelcome.
    再者，随着精力的衰退，老年人的疲惫会增长，有长眠的愿望未尝不是一件好事情，

3. It tells the rest of the world that troublesome visitors are unwelcome.
    它要向世界上其他地方表明的是：想捣乱的访问者是不受欢迎的。