然而，二胡演奏时，弓毛是在两个弦之间运动。

However, in the case of erhu, the horse hair runs between the two strings.

youdao

弓毛调整得稍微有点松懈，弓毛的松紧由右手的手指控制。

The bow hair is adjusted so it is slightly loose, tension is provided by the fingers of the right hand.

youdao

我拿起我的大提琴，拧紧弓毛，再一次悠扬地奏起《夜色美丽》，颤音仍然颤抖如同不平衡的轮胎。

I picked up my cello, screw tight the hairs of the bow and soar once more into Belle Nuit, the vibrato still wobbling like an unbalanced tire.

youdao