to behave badly or cause trouble
comportarse mal o causar problemas (komportarse mal o kausar problemas)
"The kids started to act up during the long car ride."
"Los niños comenzaron a portarse mal durante el largo viaje en coche." (Los niños komensaron a **portarse mal** durante el largo viaye en koche)
to introduce innovation gradually
to become very upset or emotional about something
to eat a lot of vegetables
to appear or arrive at an event
to discourage or dissuade someone
to move beyond one’s comfort zone or familiar environment