1·The professor is drudging at dictionary - compiling.
教授正在辛苦地编字典。
2·Next morning the beautiful French landscape, with its fat cows and drudging peasants, was strangely quiet.
次晨，绮丽多姿的法国景色，以及肥壮的奶牛与辛勤的农民，显得异样的安静。
3·Those people drudging it up from the drains and sewers know its worth in an economy in which rising food prices have hit restaurants and consumers hard.
那些费尽心机从下水道和污水管收集地沟油的人知道，在一个食品涨价令餐馆和消费者备受冲击的国家，食用油具有何等价值。