He used sign language telling her, "I've spent a year's time to learn sign language just to let you know that I've not forgotten our promise."

他用手语告诉她：“我花了一年的时间来学习手语，就是为了让你明白我没有忘记我们的誓言。”

youdao

He used sign language to tell her "I have spent a year to learn sign language to be able to communicate with you, and just to let you know that I've not forgotten our promise."

男孩用手语告诉她：“我花了一年时间学习手语，为的是能够与你交流，是想让你知道我永远不会忘记我们的诺言。”

youdao

He used sign language telling her "I 've spent a year' s time to learn sign language. Just to let you know that I 've not forgotten our promise."

他用手语告诉她：“我花了一年的时间来学习手语，我只是想让你知道，我没有忘记我们的诺言。”

youdao