/ˈfɔ:ml ||; ˈfɔrmḷ/adj1 (used about language or behaviour) used when you want to appear serious or official and in situations in which you do not know the other people very well （指言语或行为）正式的，庄重的，拘谨的: ‘Yours faithfully’ is a formal way of ending a letter. Yours faithfully是正式信函的一种结语。She has a very formal manner -- she doesn't seem to be able to relax. 她这个人非常拘谨，看来不懂得放松自己。a formal occasion (= one where you must behave politely and wear the clothes that people think are suitable) 正式场合
In this dictionary some words and phrases are marked (formal) or (informal). This will help you to choose the right word for a particular situation. Often there is an informal or neutral word with a similar meaning to a more formal one. 为了帮助读者选用得体的词语，本词典在某些词语旁边标上了“正式”(formal)或“非正式”(informal)字样。正式场合适用的词语，一般有相应的非正式场合适用的词语或中性词。 2 official 正式的；正规的:
I shall make a formal complaint to the hospital about the way I was treated. 我要就我所受到的待遇向医院正式提出申诉。 [OPP] informal 反义词为informal➔formally /-məli ||; -mḷɪ/ adv