You may rest assured.Make yourself easy (=Make your mind easyyou may rest assured that...请放心我们一定遵守诺言。Please feel assured that we will abide by our promise.请放心，我们会准时完成的Rest assured that we will finish on time.
You may rest assured例如：请放心，我决不辜负你的。 You may rest assured.I'll not let you downPlease feel assured 例如：请放心我们一定遵守诺言。 Please feel assured that we will abide by our promise.
agnes唯有Momo
