Grammar fix
save room
leave space for more food
to deliberately not eat too much so you can still have more food later, usually dessert
expressionB1common
Hear it in context
Notice where the phrase sounds natural.
- Don't fill up on bread — save room for pudding.food
- Make sure you save room, there's a lovely cake for afters.food
Fix the pattern
Pattern: save room (for [something])
Patternsave room (for [something])