it's not difficult to understand
no es difícil de entender (no es dificil de entender)
"You can learn to cook, it's not rocket science."
"Puedes aprender a cocinar, no es difícil de entender." (puedes aprender a cocinar, **no es dificil de entender**.)
used to say that everyone knows what happened next
To do something very risky or dangerous.
to help someone through a difficult period
someone inexperienced leading others who also lack experienc...
available for sale
to make a decision without enough information