to behave badly or cause trouble
se comporter mal ou causer des problèmes (se comporter mal ou kauser de problèm)
"The kids started to act up during the long car ride."
"Les enfants ont commencé à faire des bêtises pendant le long trajet en voiture." (Les enfan on komancé à **fer de betiz** pendant le long trajé en voytur)
to continue following or supporting a particular position or...
to work on code together until a problem is solved
to stay relaxed and not get angry or upset
to visit or contact someone to see if they are okay
to reach an agreement after discussion or struggle
to introduce or begin something gradually over time