第十六课

大家都为这场party穿上了盛装

people dressed up for the party

大家 

盛装

wear formal clothes (X)

costume（戏服）

（大家都为这场party穿上了盛装），很好看

people dressed up for the party， and it is really beautiful.

(从汉译英 后半句的时态 没有注意到  was)

everybody dressed up for the party and looked really nice

everybody dressed up for the party and looke*d* really nice

all people 

all the people 所有的这些人

正装 formal wear    dress formal wear