不忘初心用英文表示为：Remain true to our original aspiration，其中original的英式发音为[əˈrɪdʒənl]，美式发音为 [əˈrɪdʒənəl] ，意思是：原始的，最初的，独创的，新颖的。
拓展资料
original
1、The original plan was to hold an indefinite stoppage
最初的计划是无限期停工。
2、When you have filled in the questionnaire, copy it and send the original to your employer
填好这份问卷后，复印一份并将原卷交给雇主。
3、It is one of the most original works of imagination in the language.
这是用该语言写成的最具独创性和想象力的作品之一。
4、He read every book or author it deals with, often in the original
这方面的每一本书和每一位作家他都读过，而且通常均为原著。
5、The inhabitants have voted overwhelmingly to restore the city's original name of Chemnitz.
居民以压倒多数票同意恢复该市原来的名字“开姆尼茨”。
6、For once the sequel is as good as the original.
续集破天荒地与第一部一样精彩。
7、The texts were sung in the original Italian.
这些歌词是用原来的意大利语演唱的。
8、The book embodies the results of his own original research.
这本书体现了他独创性研究的成果。
（原标题：“不忘初心”用英文怎么说？十九大报告外文翻译专家告诉你）
央视新闻客户端10月18日报道，10月18日发布的中共十九大报告，不仅在国内受到广泛关注，也引发了全球媒体的争相报道。为提升报告的外文翻译质量、增强大会精神国际传播效应，来自英国、加拿大、西班牙等多名外籍专家参与了此次大会报告外文译本的核稿润色工作。这也是改革开放以来中国第一次邀请外籍专家提前介入参与全国党代会报告的翻译工作。
专家们翻译的标准而大气的英语
新时代中国特色社会主义
Socialism with Chinese Characteristics for a New Era.
不忘初心，方得始终
Never forget why you started, and your mission can be accomplished.
登高望远，居安思危
Aim high and look far, be alert to dangers even in times of calm.
全面从严治党
Seeing Party self-governance exercised fully and with rigor.
坚持反腐败无禁区、全覆盖、零容忍
No place has been out of bounds, no ground left unturned, and no tolerance shown in the fight against corruption.
坚定不移“打虎”“拍蝇”“猎狐”
We have taken firm action to “take out tigers”, “swat flies” and “hunt down foxes”.
不想腐的堤坝正在构筑
Moral defenses against corruption are in the making.
行百里者半九十
The last leg of a journey marks the halfway point.
大道之行，天下为公
We should pursue a just cause for common good.
打铁还需自身硬
It takes a good blacksmith to make steel.