呢幾個字既英文解釋

perform
vt.
1. 履行;執行;完成;做
The young doctor performed the heart operation.
這位年輕醫生為病人做了心臟手術。
They always perform their duties faithfully.
他們總是忠實地履行自己的職責。
2. 演出,表演,演奏
The students will perform an opera next Friday.
這些學生下星期五將演出歌劇。
vi.
1. 演出,表演,演奏[(+on/at)]
The soloist had never performed in London before.
那位獨唱者過去從未在倫敦演出過。
2. (機器)運轉;(人)行動,表現[Q]
Our team performed well in the match yesterday.
我隊在昨天的比賽中表現得很出色。

a.
1. 雅緻的,優美的,漂亮的
Her writing was elegant.
她的文章優美。
2. 講究的,精緻的
3. (論述等)簡練確切的
His elegant piece of reasoning impressed me deeply.
他簡要明確的論證給我留下深刻的印象。
4. 【口】上品的,第一流的

1. 服裝,裝束[U][C]
He changed his costume for the party.
他換了衣服去參加晚會。
2. 戲裝[U][C]
3. 尤指(女子)套裝[C]
vt.
1. 給...穿上服裝
She costumed a historical play.
她曾為一齣歷史劇設計服裝。
2. 為...提供服裝;為...設計服裝

perform
履行;執行;完成;做
The young doctor performed the heart operation.
這位年輕醫生為病人做了心臟手術。
They always perform their duties faithfully.
他們總是忠實地履行自己的職責。
2. 演出,表演,演奏
The students will perform an opera next Friday.
這些學生下星期五將演出歌劇。
vi.
1. 演出,表演,演奏[(+on/at)]
The soloist had never performed in London before.
那位獨唱者過去從未在倫敦演出過。
2. (機器)運轉;(人)行動,表現[Q]
Our team performed well in the match yesterday.
我隊在昨天的比賽中表現得很出色。

costumes

1. 服裝,裝束[U][C]
He changed his costume for the party.
他換了衣服去參加晚會。
2. 戲裝[U][C]
3. 尤指(女子)套裝[C]
vt.
1. 給...穿上服裝
She costumed a historical play.
她曾為一齣歷史劇設計服裝。
2. 為...提供服裝;為...設計服裝

唔know elegan,

perform: carry out, accomplish, or fufil (an action, task, or function)

elegan: pleasingly graceful and stylish in appearance or mannar

costum: a traditional and widely accepted way of behaving or doing something that is specific to a particular society, place or time (costumes is the plural of costum)