“辛苦的”用英语怎么说？

那些全是凭辛苦的劳动得来的。That's down to pure hard work.毫无疑问，抚养孩子是件很辛苦的事。Bringing up a baby is undeniably hard work.他的胜利被视为训练期间所有辛苦的回报。His victory was seen as payback for all the hard work he'd put in during training....