because of somebody/somethingused to say who or what causes something to happen or is the reason for something 因为某人/某事物 He had to retire because of ill health. 他因为健康问题不得不退休。
We spent three hours waiting in the rain because of you! 因为你，我们在雨里等了三个小时！
RegisterIn written English, people often prefer to use the expressions
due to something,
owing to something, or
as a result of something, which sound more formal than
because of something:
在书面英语中，人们往往更喜欢用due to，owing to或as a result of，这些表达法听起来比because of正式Many businesses fail due to cash-flow problems. 许多企业因为现金流转出了问题而倒闭。
→ because of somebody/something at because2(1)