formal
Definition
Following established forms, customs, or rules; official or ceremonious.
中文 遵循既定的形式、习俗或规则；正式的或庄严的。
Example
"They wore formal attire to the black-tie wedding reception."
Following established forms, customs, or rules; official or ceremonious.
中文 遵循既定的形式、习俗或规则；正式的或庄严的。
"They wore formal attire to the black-tie wedding reception."