I was on my hands and knees looking under the bed.
He should be on his knees begging for forgiveness.
Do I have to go down on my knees and beg?
The economy was on its knees.
The company was on its knees.
英语词典包含67175条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。