I was in charge of the four-year-olds, which is good, because four-year-olds can't play  sports, and neither can I.
كُنت مسؤولاََ عن الأطفال الذين بعمر الرابعة، وهنا جيد، لأنهم لا يستطيعون ممارسة الرياضة، ولا حتى انا.