Meaning of yú:
余
surname Yu; variant of 餘|余[yu2]; surplus; remainder after division; residue (math.)
Yú xiānsheng shì yī wèi zhùmíng de yīnyuèjiā.
余先生是一位著名的音乐家。
Mr. Yu is a famous musician.
Tā bǎ bù xūyào de dōngxi chǔlǐ diào le, zhǐ liúxià yǒuyòng de yú dì.
他把不需要的东西处理掉了,只留下有用的余地。
He got rid of the unnecessary things, leaving only useful remaining space.
Wǒmen yǒu zúgòu de qián gòumǎi zhè tái diànnǎo, hái yǒu yīxiē yú qián.
我们有足够的钱购买这台电脑,还有一些余钱。
We have enough money to buy this computer, and still have some surplus money.
Dāng sān chú yǐ èr shí, yú shù shì yī.
当三除以二时,余数是1。
When three is divided by two, the remainder is 1.
Gāi suànfǎ jìsuàn shùzì jiān de chúfǎ yú shù.
该算法计算数字间的除法余数。
The algorithm calculates the remainder between numbers.
(literary) I; me; I; me
Yú yǐjīng zuò hǎo le zhǔnbèi.
余已经做好了准备。
I am already prepared.
Yú chángcháng hé péngyǒu yìqǐ qù kàn diànyǐng.
余常常和朋友一起去看电影。
I often go to watch movies with friends.
Jiàqī qījiān, wǒ yǒu hěnduō shíjiān kěyǐ xiǎngshòu yú xián huódòng.
假期期间,我有很多时间可以享受休闲活动。
During the holidays, I have plenty of time to enjoy leisure activities.
extra; remaining; (following numerical value) or more
Tā zǒng shì bǎ duō chū lái de shíjiān yòng lái zuò yú xià de gōngzuò.
他总是把多出来的时间用来做余下的工作。
He always uses the extra time to do the remaining work.
Tā yǒu hěn duō gōngzuò yào zuò, dàn zhǐyǒu hěn shǎo de shíjiān yú.
他有很多工作要做,但只有很少的时间剩下。
He has a lot of work to do, but only a little time remaining.
Tā de niánlíng zài sānshí yú suì.
他的年龄在三十余岁。
His age is thirty or more.
in excess of (some number)
Zhè zuò tǎ gāo chū 300 mǐ yú.
这座塔高出300米余。
This tower is in excess of 300 meters tall.
after
Tàiyáng zài xiàwǔ sì diǎn zhīhòu cái yú guāng.
太阳在下午四点之后才余光。
The sun shines after four in the afternoon.