回答

・don't expect anything in return
・don't expect anything for reward

「不求回報」的英語是 don't expect anything in return 或是 don't expect anything for reward 來表達。

It's good to be kind to people, but you shouldn't expect anything in return.
（善待別人固然很好，但你不應該期望得到任何回報。）

Parents love their children but don't expect anything for reward. However, relationships with lovers and friends are another matter.
（父母愛自己的孩子，但不求任何回報。然而，與戀人和朋友的關係是不同的。）

有幫助｜0