跪下

例句：

1. 1. He knelt down to pray for forgiveness.
   他跪下来祈求宽恕。
2. 2. The old man knelt on the ground and offered a prayer.
   老人跪在地上祈祷。
3. 3. The soldiers knelt in submission before the general.
   士兵们跪在将军面前表示顺从。