我告诉他：“一定要保证他们能够演奏华尔兹和波尔卡舞曲。”

“Make sure they can play waltzes and polkas,” I told him.

youdao

给我看看吧，《世界最佳波尔卡舞曲》，你疯了吗？

Let me see. "World's best Polka music", are you crazy?

youdao

给我看看吧，《世界最佳波尔卡舞曲》，你疯了吗？

Let me see. "World's best Polka music", are you crazy?

youdao