放心英语怎么说

放心英语可以翻译为 "rest assured"。这个短语来源于英语中的一个固定搭配，即 "rest assured (that) + 句子"，意思是"放心（某事）"。例如：
Rest assured that your payment has been processed and your order will be shipped soon.
Rest assured that your personal information is safe with us and will not be shared with any third parties.
另外，"rest assured" 也可以独立使用，表示对某事情的放心。例如：
Rest assured, everything will be fine.
Rest assured, I won't tell anyone your secret.
总之，"rest assured" 是一个用来表达 "放心" 的常用英语短语。