ph.

1. They were ground down by poverty.
他们备受贫穷的折磨。

1. 磨损：grin 浪中航行船头没入水中 | grind down 磨损 | grind in 磨合

2. 碾碎 受折磨[虐待]：grind away for 加紧用功 刻苦学习 | grind down 碾碎受折磨[虐待] | grind in 磨合, 磨成

3. 磨成粉：grind crack == 研磨裂纹 | grind down == 磨成粉 | grind first == 粗磨

4. 碾碎;磨成粉：grind 研磨;研碎;粉碎;捣;擂 | grind down 碾碎;磨成粉 | grind up 碾成粉;擂碎

verb

1. rule a country as a tyrant

Synonym: tyrannizetyrannise