Her execution of the piano piece was perfect.

她把那段钢琴曲演奏得非常完美。

I stumbled through the piano piece with difficulty.

我断断续续地好不容易弹完了那支钢琴曲。

This piano piece is difficult to carry off.

这首钢琴曲很难演奏得好。

The piano piece was transcribed into a symphony.

这首钢琴曲被改写成交响曲。

She tried to play the piano piece with more feeling.

她试图以更丰富的感情来演奏这支钢琴曲。