know no bounds
US /noʊ noʊ baʊndz/
UK /nəʊ nəʊ baʊndz/
成语
没有止境, 无边无际
to be limitless or without restriction
示例:
•
Her ambition seems to know no bounds.
她的野心似乎没有止境。
•
The children's energy knew no bounds during the summer holidays.
暑假期间，孩子们的精力旺盛无比。