To overdress is to put on clothes that are too formal, too fancy, or too careful for the occasion.

To overdress overdress is是 to put on clothes穿上衣服 that are too formal, too fancy, or too careful for the occasion對這個場合來說太正式、太花俏，或太講究

A dark suit at a beach picnic is overdressing. A long shiny dress at a casual lunch can be too.

A dark suit深色西裝 at a beach picnic在海灘野餐時穿 is overdressing就是穿太正式 A long shiny dress一件亮面的長禮服 at a casual lunch在輕鬆的午餐場合 can be too也算穿太正式

The word judges the match between clothes and the day, not how many layers you wear and not how warm you are.

The word這個字 judges判斷的是 the match between clothes and the day衣服跟這一天合不合 not how many layers you wear不是你穿了幾層 and not how warm you are也不是你穿得暖不暖

It is a verb: don't overdress; she tends to overdress for family dinners. Everyday social English — people use it when they worry about looking out of place.

It is a verb它是動詞 don't overdress'別穿太正式' she tends to overdress for family dinners她在家庭聚餐時常常穿太正式 Everyday social English日常社交英語 people use it人們會用它 when they worry about looking out of place當他們擔心看起來格格不入的時候

Though actually, 'too formal' is the usual complaint, but looking as if you tried much harder than everyone else can fall under the same word.

Though actually不過其實 'too formal' is the usual complaint'太正式'是最常見的抱怨 but looking as if you tried much harder than everyone else但看起來比別人費心太多 can fall under the same word也可以算在這個字底下

The opposite idea is to underdress: too casual.

The opposite idea相反的概念 is to underdress是underdress too casual太隨便