Grammar fix
tuck into
start eating eagerly
to start eating something with enthusiasm because you're hungry and it looks good
phrasal verbB2common
Hear it in context
Notice where the phrase sounds natural.
Go on, tuck in, there's plenty for everyone.
By the time I sat down they'd already tucked into the curry.
Fix the pattern
One small grammar move makes it sound right.
It's about eating with relish, not just eating — don't use it for picking at food.