on one's knees 1. (祈祷、恳求、屈服时)跪着 I begged her forgiveness on my knees. 我跪着恳求她宽恕。 2. (对…)百依百顺(to) 3. 恳求；哀求 We were on our knees for hours before our parents agreed to our camping plan. 我们恳求了好久，父母才同意我们的野营计划。 4. 筋疲力尽；十分虚弱；接近垮台 a school economically on its knees 经济上难以维持下去的一所学校