to understand something fully
entender algo completamente (entender algo completamente)
"It took me a while to get a grasp of the new software."
"Me tomó un tiempo entender el nuevo software." (Me tomo un tiempo entender el nuevo software)
to become crazy or mentally unstable
to operate smoothly and efficiently
to cause trouble or create a significant impact
to be very close friends
to do something as fast as possible because time is limited
to avoid taking risks