to make sure
01
to take steps to confirm if something is correct, safe, or properly arranged
![to [make] sure definition and meaning](https://cdn.langeek.co/photo/68041/original/?type=jpeg "to [make] sure definition and meaning")
Collocation
例
Before leaving the house, make sure you turn off all the lights and lock the doors.
Make sure to double-check your work before submitting it.
