减

shù liàng dà jiǎn

数量大减。

The quantity has gone down substantially.

tā rén suī lǎo le gàn jìn què bù jiǎn dàng nián

他人虽老了，干劲却不减当年。

Old as he is, he works just as hard as he did in his younger days.

wǒ de gōng zuò rè qíng yǒu zēng wú jiǎn

我的工作热情有增无减。

My enthusiasm for my work has continued unabated.

jiǔ jiǎn sì děng yú wǔ

九减四等于五。

Nine minus four is five.

wǔ jiǎn èr děng yú sān

五减二等于三。

Five minus two is three.

qī jiǎn sān děng yú sì

七减三等于四。

Seven minus three is four.