1.what with…and what with意為「一半由於……一半由於……」
What withhard work and what with taking too little care of herself，she fell ill. 一半由於工作太累，一半由於太不注意身體，她病倒了。
2.what by…and what by意為「一方面由於……一方面由於……」
What by taking bribesand what by extortions，he made a lot of money. 他又受賄又勒索，發了大財。
注意：上面結構中的第二個what with常可省略；with還可換成for，though或between。
What between drinkand (what between) fright，he didn't know much about what happened then. 一拌由於喝酒，一半由於打架，他根本就不知道發生了什麼。
What forofficial business and(what for) private business，he had no time for leisure. 他公務和私事纏身，沒有閒的時間。