Common phrases for food:
I’m starving! (= I’m very hungry)
Let’s grab a bite to eat.
How about eating out tonight? (eat out = eat at a restaurant)
I’ll have… (use this phrase for ordering in a restaurant)
Common phrases for price:
It cost a fortune.
It cost an arm and a leg.
That’s a rip-off. (= overpriced; far more expensive than it should be)
That’s a bit pricey.
That’s quite reasonable. (= it’s a good price)
That’s a good deal. (= a good value for the amount of money)
It was a real bargain.
It was dirt cheap. (= extremely inexpensive)
Common phrases for weather:
It’s a little chilly.
It’s freezing. (= extremely cold)
Make sure to bundle up. (bundle up = put on warm clothes for protection against the cold.