叩头的英文：
kowtow

To knock the head begging for pardon
叩头救赦

Numerous devout men and women are kowtowing and praying.
许多善男信女在磕头祈祷。

All the servants had to kowtow to the emperor when he entered the room.
皇帝进房间时，所有的仆人都得向他叩首。

After the usher had been given twenty strokes she had to return to kowtow to Xifeng.

Tomorrow I'll have Papa make you kneel three times and kowtow nine times before photographs of my grandparents as a penalty.
明天我教爸爸罚你对祖父祖母的照片三跪九叩首。

Before she could kowtow the old lady threw both arms around her.