大卫喜欢拉小提琴，他是如此刻苦地练习。

David loved to play the violin, he practiced so hard.

youdao

有一天我问她为什么这么刻苦地练习。她直视着我的眼睛，不加思索地说。

One day I asked her why she practiced so much. She looked directly in my eyes and without a moment of hesitation she said.

youdao

有一天我问她为什么这么刻苦地练习。她直视着我的眼睛，不加思索地说。

One day I asked her why she practiced so much. She looked directly in my eyes and without a moment of hesitation she said.

youdao