Formally means offically or in a very polite way.
举一反三
- I thought it was very ______ of him to treat her in such a brutal way. (POLITE)
- “Could you tell me the best way to get to …” – This is a very polite way to ask for directions.
- I said very ______. (polite)
- In _____, nodding your head up and down means “yes”, while in some parts in ______, this motion can mean “no.” But in ______, nodding your head is a polite way to say “I heard you.”
- c________：polite, especially in a way that shows respect