I send him a book in reward for his help.
我送给他一本书来答谢他的帮助.
Get nothing in reward for one's kindness
好心不得好报奖金,酬金
词典释义:
作为报答
I send him a book in reward for his help.
我送给他一本书来答谢他的帮助.
Get nothing in reward for one's kindness
好心不得好报奖金,酬金