Usar "highly-strung" en una oración

1. In those far-off days, George’s highly-strung wife, Philippa, used to pour the tea

2. This was too much for Dorothea's highly-strung feeling, and she burst into tears, sobbing against Tantripp's arm

3. Dubkoff was a little dark-haired, highly-strung man who, though short of stature and no longer in his first youth, had a pleasing and invariably cheerful air