ふざける・いたずらする
I mess about.
私はふざけます
I mess about during the lunch break.
私は昼休みにふざけます
I mess about on the field during the lunch break.
私は昼休みに運動場でふざけます
I mess about with my classmates on the field during the lunch break.
私は昼休みに運動場でクラスの友達とふざけます
I mess about with my classmates on the field during the lunch break, throwing a ball around.
私は昼休みに運動場でクラスの友達とボールを投げながらふざけます