inscrutability
🇺🇸
/ɪnˌskruːtəˈbɪləti/
🇬🇧
/ɪnˌskruːtəˈbɪləti/
The quality of being difficult to understand or interpret.
The inscrutability of her expression made it hard to tell what she was thinking.
她表情的不可测度让人难以判断她在想什么。