Spanish-English translations for vato

dude
us
So we were at the mall and these two dudes just walk up to us and say "hiDude, Id be careful around the principal; hes having a bad dayWatch it, dude; you almost knocked me over
guy
us
The dogs left foreleg was broken, poor little guy.This guy, here, controls the current, and this guy, here, measures the voltage.This guy is the partial derivative of that guy with respect to x.