1、
Despite countless hours of dedicated practice, she has mastered the violin over the years.
多年来投入无数时间刻苦练习，她终于掌握了小提琴。
金山词霸
2、
My six years at boarding school were filled with misery, a period of unremitting suffering.
我在寄宿学校的六年充满了痛苦，那是一段持续不断的折磨时期。
金山词霸
3、
