Definition: for hours/days, etc. without stopping Level: B2
他在电话旁一等就是好几个小时。
He waited by the telephone ___for hours ___on ___end.
她喜欢连续上网好几个小时。
She loves surfing the internet ___for hours ___on ___end.
季风季节时，雨一连下了好几天。
It rained ___for days ___on ___end during the monsoon.
