我每天都要数手中的钱。
wǒ měitiān dūyào shù shǒuzhōng de qián 。
I have to count the money in my hand every day.
老师让我数一数这些书有多少本。
lǎoshī ràng wǒ shù yī shù zhèixiē shū yǒu duōshǎo běn 。
The teacher asked me to count how many books there are.
他总是喜欢数别人的错误。
tā zǒngshì xǐhuān shù biérén de cuòwù 。
He always likes to criticize other people's mistakes.