taciturnity
🇺🇸
/ˌtæsɪˈtɜːrnəti/
🇬🇧
/ˌtæsɪˈtɜːnəti/
The quality of being quiet and not talking much.
His taciturnity made it difficult to know what he was thinking.
他的沉默使人難以知曉他的想法。