total muteness 完全沉默
sudden muteness 突然失声
A: Did you notice her muteness during the meeting?
A：你注意到她在会议期间的沉默了吗？
B: Yes, it was quite unusual.
B：是的，这很不寻常。
1) 无法说话的状态
2) 沉寂或安静
3) (生理上的) 失语
1. 缄默；失语
noun
1. The state or quality of being unable to speak or being silent.
Synonym: silence, speechlessness