Devoicing
v. 使清音化；浊音清化（devoice的ing形式）
🗣️ 情景例句
But the only time he's available this week
但这星期他有空的时间只有
You never know what you can do till you try.
事非经过不知难。
Why were you shouting?
你为什么大声喊？