grind

To reduce something to smaller pieces by crushing it.

• We need to grind the coffee beans.
  Kahve çekirdeklerini öğütmemiz gerekiyor.
• This machine grinds wheat into flour.
  Bu makine buğdayı öğüterek un yapar.

To make something sharp or smooth by rubbing it against a hard surface.

• He ground the knife on a stone until it was sharp.
  Bıçağı keskinleşene kadar taşta biledi.
• The workers ground the metal edges until they were smooth.
  İşçiler metal kenarları pürüzsüz olana kadar taşladı.

To rub your teeth together hard, often while sleeping or stressed.

• He grinds his teeth when he's stressed.
  Stresli olduğunda dişlerini gıcırdatır.
• Some children grind their teeth at night.
  Bazı çocuklar geceleri dişlerini gıcırdatır.

To keep doing a boring or difficult task for a long time.

• He had to grind through the paperwork all weekend.
  Bütün hafta sonu evrak işleriyle didinmek zorunda kaldı.
• She ground away at her studies for months before the exam.
  Sınavdan önce aylarca derslerine didinerek çalıştı.