German-English translations for aufdoppeln

reinforce
us
He reinforced the handle with a metal rod and a bit of tape.The right homework will reinforce and complement the lesson!Advertising for fast food can reinforce unhealthy dietary tendencies.
sister
uk
us
My sister is always driving me crazyMichelle left behind her bank job and became a sister at the local conventConnie was very close to her friend Judy and considered her to be her sister