1.
To bend the knee or touch one knee to the floor or ground, as in worship.
屈单膝屈膝或一膝着地以示敬慕
2.
To bend(the head or knee, for example)low, as in fear or humility.
低头，屈膝因恐惧或谦虚而低（头）或屈（膝）
3.
He abased himself before the general.
他在将军面前卑躬屈膝。
4.
He never crawls to his superiors.
他对上司从不卑躬屈膝。
5.
a worker who is obsequious to the boss
对老板卑躬屈膝的人.
6.
He crawls to his boss
他对上司卑躬屈膝。
7.
He kowtowed to the regime.
他对那政权卑躬屈膝.
8.
He cringed before a policeman.
他对警察卑躬屈膝。
9.
students apple - polishing the teacher;
对老师卑躬屈膝的学生；
10.
They are beaten to have gone down on one's knees in surrender.
他们被打得屈膝投降了。
11.
Nobody could bring him to his knees.
谁也不能使他屈膝。
12.
make a courtesy (=curtsy)
（女子）行屈膝礼告辞
13.
She tried to curtsey as she spoke.
她说着就想行屈膝礼。
14.
She curtsied to the king.
她向国王行了屈膝礼。
15.
The girl dropped (BoBBed) a curtsey (curtsy).
那女孩行了一个屈膝礼。
16.
We will never bow the knee to fascism
我们决不向法西斯屈膝(屈服)。
17.
To bend servilely or timidly;cringe.
卑躬屈膝，献媚奉承卑贱地或胆怯地弯腰；卑躬屈膝
18.
The seated hamstring stretch: Stretch the large muscle of rear of upper leg, known as hamstring.
屈膝肌拉伸：伸展大腿上方的大块肌肉，也就是屈膝肌。