同事们的笑声只会加剧她的尴尬。

Her colleagues' laughter only ___added ___to her embarrassment.

雪上加霜的是，我的右手骨折了。

To ___add ___to the bitterness, I had my right hand broken.

持续的噪音加剧了我工作时的压力。

The constant noise ___adds ___to my stress at work.