to suddenly become angry
plötzlich wütend werden (plötz-lich wüt-end wer-den)
"Try not to lose your cool during the argument."
"Versuche, deinen Ärger während des Streits nicht zu verlieren." (ver-suche, dei-nen är-ger wä-hrend des streits nicht zu ver-lie-ren)
to try to teach someone something they are set in their ways...
to speak to someone as if they are less intelligent
to tease or joke with someone in a playful way
not very intelligent; not a genius
being in a leading or important position in a field
an exceptionally smart system created by humans