拼老命 meaning in Chinese

risk one's old bones; do one's best in spite of one's age

We slogged up the hill through the mud
我们穿过泥泞拼老命地走上山丘。
That maths homework was really difficult ; i slogged away at it or hours
那次数学作业真的很，我拼老命地做了好几个小时。
Tereas : he doesn ' t have to work such long hours . i don ' t need a lot of expensive things
翠丽莎：可是他不必那么长时间拼老命工作，我不需要什么大量的、昂贵的物品。
But first - he ran headlong at me : i felt him grasp my hair and my shoulder : he had closed with a desperate thing
他向我直冲过来，我只觉得他抓住了我的头发和肩膀，他跟一个拼老命的家伙扭打在一起了。