The old coffee machine in the break room grinds the beans so loudly everyone hears it.

茶水間那台舊咖啡機磨豆子時聲音大到大家都聽得到。

Please report the forklift; its gears grind every time the driver loads a pallet.

請通報那台堆高機的問題,司機每次裝載棧板時齒輪都會發出嘎吱的摩擦聲。

Our hotel guests complained that the elevator motor grinds noisily throughout the night.

飯店房客抱怨電梯馬達整晚都發出刺耳的摩擦聲。