Daily Vocabulary(2023/09/19）

31111.I'm writing to you in regard to (～の件についてのご連絡です ）
I am writing in regard to the meeting. 
31112.unannounced  (連絡なしに）happening without anyone expecting or knowing about it 

Our CEO came to our office unannounced and that made us super nervous. 

31113.panic  (テンパる）

During the pandemic, the whole world was in a panic. 

31114.freak out (テンパる）
I have a job interview this afternoon. I wasn’t freaking out yesterday but I’m freaking out right now! 
31115.talk it over with. (～に相談してみます ）
Let me talk it over with my supervisor first.