a. being in accord with established forms and conventions and requirements (as e.g. of formal dress)
s. characteristic of or befitting a person in authority
a. (of spoken and written language) adhering to traditional standards of correctness and without casual, contracted, and colloquial forms
s. logically deductive
a. 正式的, 形式的, 礼仪的, 拘于礼节的, 拘谨的
n. 正式的社交活动
1. She wore a formal dress to the wedding.
她在婚礼上穿了一件正式的裙子。
2. It's important to use formal language in professional emails.
在职业邮件中使用正式语言是很重要的。
3. The company held a formal meeting to discuss the new project.
公司召开了一次正式会议来讨论新项目。