to catch an illness, especially one that is not serious
ponerse enfermo, especialmente con algo no grave (ponerse enfermo, especialmente con algo no grave)
"Several students went down with food poisoning."
"Varios estudiantes se enfermaron de intoxicación alimentaria." (Varios estudiantes se enfermaron de intoxicación alimentaria.)
to have a friendly and cooperative relationship with someone
to remain strong and calm when under stress or pressure
to increase the size, amount, or production of something
to develop understanding by analyzing past experiences
to feel concern or affection for someone or something
to begin an effort to make yourself or something better