Be worlds/a world away positive phrase
Hoàn toàn khác biệt so với một thứ khác
His gentle behavior is a world away/ worlds away from that rude guy.
This book I've just bought recently is a world away/ worlds away from every book that I've read before.
This new house is a world away/ worlds away from our old house.
If you swallow the bait, you take something that someone offers you, or agree to do something that someone asks you to do without knowing that it is a trick or way of getting something from you.
You can't just do whatever he wants you to do. Don't swallow the bait.