For (one's) (own) sake - для чьего-то блага или пользы; в честь кого-то; из уважения к кому-то
sake [seɪk] - ради; польза
Примеры:
- For my own sake, I'm going to take a few extra days off to spend with my family.
- For Jonathan's sake, we need to be sure to find a restaurant that is sensitive to peanut allergies.