To kneel and bow with forehead touching the ground

• To act in an excessively submissive, deferential, or flattering way
• To show obsequious obedience to someone or something

下跪叩头，前额触地的深深鞠躬

• 以过分卑躬屈膝、谄媚的方式行事
• 对某人或某事表现出奴颜婢膝的服从

The act of kowtowing

• A gesture or display of excessive submission

叩头这一行为

• 表现出过分屈从的姿态或举动