endlessly
adv. 不断地；无穷尽地
例句
They talk about it endlessly.
他们无休止地谈论这件事情。
《柯林斯英汉双解大词典》
The old granny talked endlessly, but we listened to her with great patience.
老奶奶叨絮不休，不过我们还是耐心地听着。
《新英汉大辞典》
It seems that all the big cities around the world are still endlessly expanding.
似乎世界上所有的大城市都在不断地扩张。
