变粗糙

例句：

1. 1. The paint has made the wallvery rough.
   油漆让墙壁变得非常粗糙。
2. 2.The old car was so rough that itbroke down frequently.
   这辆旧车太粗糙了，经常出故障。
3. 3. The sandpaper is rough enough to make the woodgrainy.
   砂纸足够粗糙，能让木头起毛。