1. reach an average達到某一平均數
His taxes may average out at about one quarter of his income. 他的稅可能平均達到他收入的四分之一左右。
Their working hours average out at 40 per week. 他們每週的工作時間平均達到40小時。
2. make or calculate the average of 算出平均數
They averaged out the unmbers and got the result 25. 他們算了這些數的平均數,結果是25。