Devoicing
v. 使清音化；浊音清化（devoice的ing形式）
🗣️ 情景例句
If you know a man's last name, address him as 'Mr.'.
如果你知道一个男性的姓， 应该用 'Mr。' 来称呼他。
I am not through with school yet.
我还没有毕业。
Be sure to call me if you need anything.
如有什么需要，请叫我