(located) at; (to be) in; to exist; in the middle of doing sth; (indicating an action in progress)[cedict]
化装
huà zhuāngㄏㄨㄚˋ ㄓㄨㄤ
(of actors) to make up; to disguise oneself[cedict]
舞会
wǔ huìㄨˇ ㄏㄨㄟˋ
dance; ball; party[cedict]
上
shàngㄕㄤˋ
on; on top; upon; first (of two parts); previous or last (week etc); upper; higher; above; previous; to climb; to go into; above; to go up; to attend (class or university); third tone of putonghua[cedict]
遇到
yù dàoㄩˋ ㄉㄠˋ
to meet; to run into; to come across[cedict]
的
deㄉㄜ˙
díㄉㄧˊ
dìㄉㄧˋ
of; structural particle: used before a noun, linking it to preceding possessive or descriptive attributive[cedict]