Pronunciation: [s? Me? Son]
Express meaning: very simple; Very easy; It's that simple.
Fixed collocation: all this sounds easy; Everything sounds easy.
example sentence
1, right? So what? Is it easy? As you think.
It's not as simple as you think.
2. I don't think so? So what? Relax.
I don't think it's that easy!
3. Leo makes it sound? So what? Simple. But this is not the case.
Leo said it simply, but it's not the case.