1. in style
Today we are going to learn “in style”. It means in the current fashion.
A. How does one know what’s in style?
B. Just wear what you like to wear.
2. teach someone a lesson
Another phrase is “teach someone a lesson”. It means to show someone, as a result of experience, what should not be done in the future.
(1). I’m going to teach you a lesson not to steal.
(2). One day someone’s gonna stand up to you. Someone’s gonna teach you a lesson.