on one's knee

基本解释

At that moment, Jenny's boyfriend kneeled down on one knee, took out a diamond ring, and said, "Will you marry me, Jenny?"
就在那时候，珍妮的男友单脚跪地，拿出一颗钻戒，并且问道：『妳愿意嫁给我吗，珍妮？』
Of these musicians, Mas is the one that Leonard Cohen would often get down on one knee and serenade — when he's not stopping to listen.
莱纳德·科恩在倾听马斯的演奏间隙，时常会对着马斯单膝下跪吟唱夜曲，马斯是这些音乐家中唯一获此殊荣的一位。
The nubian smiled assentingly to his master's words, then, knee ling on one knee , respectfully kissed the hand of the count.
那黑奴听了他主人的话，脸上立刻露出同意的微笑，然后单膝跪下，恭恭敬敬地吻了一下伯爵的手。