Utiliser "subtleness" dans une phrase

1. subtleness, she hoped to change his mind

2. The more the streaming astral beams gave way for me to see the Folk, the more I realized that light doth vary by its subtleness

3. this kind of subtleness was not in him

4. This was my first time in New Mexico and I was absorbed by the subtleness of the land unfolding around me as the desert high plains did their slow climb towards the mountains barely visible ahead