1. Their new horse is very highly strung.

2. Paul was highly strung, working too hard.

3. Breeds differ in how highly strung they are, how much they snap at children and in their fondness for barking.

4. They were all very highly strung and eventually, they did break up.

5. Being nervous,(http://sentencedict.com) highly strung or liable to sudden anger and 2.

6. Mary is a very highly strung person.

7. He is highly strung for the game.

8. Nigel is temperamental but he's very highly strung, you know.

9. He is highly strung.

10. He is highly strung and, therefore, subjected to heart attack.

11. Because of his fine pedigree he was a little bit more highly strung than the others and would set off rather sharply.

12. Sandra was a dealer lacking in professional experience, who had a highly strung temperament.

13. For one thing, Nijinsky started life so excitable and highly strung that O'Brien warned his owner he might not be trainable.

14. But she had to leave because she was a bit highly strung; and of course you know Virginia herself was.

15. I think he is just an ill and shocked young man with the highly strung temperament of so many artistic people.