to be the first to criticize or condemn someone
ser el primero en criticar o condenar a alguien (ser el primero en kritikar o kondenar a algien)
"Before you cast the first stone, remember that nobody is perfect."
"Antes de que tú lances la primera piedra, recuerda que nadie es perfecto." (Antes de ke tú **lances la primera piedra**, rekuerda ke nadie es perfecto.)
to stay awake all night to study or work
to verify that someone or something is doing well
to take action without being told what to do
to surprise someone with something unexpected
to say exactly what you think
exactly what is needed or wanted