一半: half...
上学: to go to school, to attend school...
时段: time interval, work shift, time slot, the twelve two-hour divisions of the day...
潜力: potential, capacity...
砂糖: granulated sugar...
短处: shortcoming, defect, fault, one's weak points...
境地: circumstances...
麻醉: anesthesia, to poison (sb's mind)...
体操: gymnastic, gymnastics...
擅长: to be good at, to be expert in...
