Masteries
n. 精通, 熟练（mastery的复数形式）
🗣️ 情景例句
My name is Lu Wei. I am beside Beijing Hotel on Changan Street.
我叫陆伟，在长安街北京饭店旁边。
He that knows not how to hold his tongue knows not how to talk.
不知缄口的不善言。
Good, we can do that right away.
好的，立刻就办。