I watched my colleagues abasing themselves before the board of trustees.

我看着同事们在理事会面前卑躬屈膝。

Be polite, but don’t kowtow to him.

对他要有, 但不要卑躬屈膝。

The girl bobbed politely at him.

那姑娘向他行了个屈膝。

Conclusion Clinical dignosis of traumatic patella metachoresis is based on trauma and knee joint arthrocele and patella metachoresis.

结论外性滑动髌骨诊断要注意外、膝部肿胀青紫史，屈膝髌骨向外移位。

Don’t grovel—stick up for yourself!

你别卑躬屈膝──要自！

She swept him a curtsy.

过时对他行了一个屈膝。

She swept him a curtsey.

过时对他匆匆行一屈膝。

She bobbed politely at me.

有向我行屈膝。

His gaze flicked from one of her empty, ringless hands to the other as she knelt, so that their eyes were level.

屈膝跪下使双方视线水平；他来回看着的两只手，从那只空的没有戒指的手到另一只。