他承诺帮助我们建一所学校、让我们十分感激的翻译：He promised to help us build a school, let us be grateful 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

He promised to help us build a school, so we are very grateful

He promised to help us build a school, let us be grateful

He pledged helps us to construct a school, to let us feel grateful extremely

He promised to help our building of a school, let our 10 am grateful

He promised to help us build a school, let us be grateful