make certain (that…)
成語所屬單字certain
make certain (that…) — 慣用語
1. To check or confirm that something is definitely true or will happen.
1.慣用語
釋義
確認
To check or confirm that something is definitely true or will happen.
例句
Brian called the hotel to make certain his reservation was confirmed.
Make certain that you turn off the lights before leaving.