Ondan önce, gerçekten emin olsak iyi olur.
- Before that, we had better make sure of the fact.
Gitmeden önce ondan emin olmalısınız.
- You should make sure of it before you go.
Tom kilitli olduğundan emin olmak için kapısını iki kez kontrol etti.
- Tom double-checked his door to make sure it was locked.
Tom gazın kapalı olduğundan emin olmak için kontrol etti.
- Tom checked to make sure the gas was turned off.
When you leave, make sure you lock the door behind you.
... should be doing more with it than just making sure that ...
... making sure that we are continuing to invest in basic science and research, all the things ...