放心的英文rest assured，读音：[rest əˈʃʊəd]。

rest assured英 [rest əˈʃʊəd] 美 [rɛst əˈʃʊrd]确信无疑，放心。rest assured的用法示例如下：

1. You can rest assured that everything will be all right.你放心，一切都会安排好的。

2. You can rest assured that you'll be treated well. 你放心，不会错待你的。

3. Rest assured that he won't make things difficult for you. 请放心，他不会跟你过不去的。

4. You can rest assured that I'm a man of my word.放心，我说到做到