1.   It is an unwelcome symptom of very tough times.

2.   It was a very tough fight.

3.   My mother was very tough on my sister.

4.   Paul has written some very tough things in his letter to the church in Rome.

5.   She was known to be very tough and a very hard worker.

6.   The boss is very tough on anyone who steps out of line.

7.   The chicken was very tough, as though it had not been freshly cooked that day.