what for造句

Her expression gradually changing , Miss Su said, " What for?
苏小姐脸色渐转道: “ 那又何必 呢 !

" What for? " retorted Third Fairy.
她说: “打听她做甚啦?

He said cruelly, " What for?
他很烦躁他说: “ 要他回家干什么?