银行的利息很高。
yínháng de lìxī hěngāo 。
The interest at the bank is very high.
我们需要计算贷款的利息。
wǒmen xūyào jìsuàn dàikuǎn de lìxī 。
We need to calculate the interest on the loan.
他存钱的时候很关心利息。
tā cúnqián de shíhòu hěn guānxīn lìxī 。
He is very concerned about interest when saving money.