entiendes lo que puede pasar? --> non-formal form
entiende lo que puede pasar? --> formal form
Comprende is the how you would say understand. Also entiende.
No entiendes esto?
no lo entenderías
"él no entiende" (he doesnt understand) or "él no puede entender" (he can not understand)
just say i dont understand
comprensión total
You would say "¿Lo entiendes?" which is sorta slang for, "Get it?"
No sucede.
To understand is either "comprender" or "entender". The terms are interchangeable.
NADA
Yo no entiendo. That is I don't understand. If you want to say I don't understand you, you would say " No te entiendo.""No comprendo"" No entiendo. " If you're saying it to someone. Ie I don't understand you it's "No te entiendo."
"Comprender lo que está diciendo."