我很欣慰，你终于理解我的一片苦心了。

I am relieved that you have at last seen my painstaking.

youdao

他没有制止她，因为他知道她的一片苦心。

He did not stop her, because he understood her love towards him.

youdao

我知道你们从未放弃，一直想帮我取得进步。我会努力学习，不辜负你们的一片苦心。谢谢你们！

I know you never give up, and always try to help me make progress. I will study hard, and not make you down. Thank you!

youdao

我知道你们从未放弃，一直想帮我取得进步。我会努力学习，不辜负你们的一片苦心。谢谢你们！

I know you never give up, and always try to help me make progress. I will study hard, and not make you down. Thank you!

youdao