[yú]
[动]
（剩下） remain; leave
Nine minus four is five.; Four from nine leaves five.; If you take (away) 4 from 9, 5 remains.
9减4余5。
After paying all the expenses, there is a balance of fifty yuan.
收支相抵， 尚余50元。
[形]
（剩下的） surplus; spare; remaining
afterglow
落日余辉
the remaining part; the remainder
下余部分
spare money [cash]
余钱
[数]
（大数或度量单位等后面的零头） more than; odd; over
over 200 jin
200余斤
fifty odd years
50余年
[名]
（指某种事情、情况以外或以后的时间） spare time
over a cup of tea or after a few glasses of wine; at one's leisure
茶余酒后
after working hours; after work
工作之余
（姓氏） a surname
Yu Yuan
余渊
[书] （我） I