Crustiness
執拗, 頑固, 倔強
? 同義詞
??? 情景例句
Good. Tell Mr. Gao at the factory to keep up the good work.
很好，請告訴工廠的高先生繼續努力。
I have to go now.
我必須走了
If you're free, how about lunch?
有空的話一起吃頓中飯如何？