“辛苦地”的英语？

他正在辛苦地干活.He was sweating like a bullock.教授正在辛苦地编字典.The professor is drudging at dictionary - compiling.全村日夜辛苦地干着,要在9月的雨季之前收割并打完今年的庄稼.The whole village has been working day and night gathering and threshing this year'...