Someone who acts as if they know everything.
Alguien que actúa como si supiera todo. (alguien que actua como si supiera todo)
"He’s such a know it all, it’s annoying."
"Él es un sabelotodo, es molesto." (el es un **know it all**, es molesto)
to have a very bad headache
to express gratitude or recognition
to attribute something to a particular cause
a perfect or happy ending, like in a fairy tale
the overall perspective or situation
a true and final test of success