Definition: as a result of Level: B1
由于恶劣天气，火车晚点了。
The train was delayed ___because ___of bad weather.
由于他的学习成绩，他总是和父母争吵。
He always had arguments with his parents ___because ___of his school results.
因为大雨，我们取消了野餐。
We cancelled the picnic ___because ___of the heavy rain.
