[treatment] sévère, dur (e)
→ She was told that her husband was receiving harsh treatment in prison.
→ The harsh sentences appear to be aimed at setting an example.
[words] dur (e)
→ The teacher had harsh words to say about my work.
the harsh reality of sth la dure réalité de qch
→ the harsh reality of life in modern-day Moscow
→ That's the harsh reality of the situation here, we just don't have the money to improve things.