“正装”是formal wear或formal clothes
翻译：
She came to teach us in formal wear .
或者：
She come to give us lessons wearing formal clothes.
高级一点：
Wearing formal clothes,she came to teach us .
或者：Wearing formal clothes,she came to give us lessons .
“正装”是formal wear或formal clothes
翻译：
She came to teach us in formal wear .
或者：
She come to give us lessons wearing formal clothes.
高级一点：
Wearing formal clothes,she came to teach us .
或者：Wearing formal clothes,she came to give us lessons .