rest assured
成語所屬單字rest
rest assured — 慣用語
1. used to tell someone that they can be completely certain that something will hap
1.慣用語
釋義
放心；請放心
used to tell someone that they can be completely certain that something will happen or is true
例句
Rest assured that we will deliver your order before the weekend.
You can rest assured that the children are safe with the babysitter.